coefficient se related questions ko ek jagah revise karein. Har question me bilingual content, answer feedback aur explanation available hai.
75 questions tagged with coefficient.
Which is the correct coefficient of (x) in \(6x^2-x+13\)?
B. (-1)
(-x) का अर्थ (-1x) है इसलिए गुणांक (-1) है। छिपे हुए (1) को चिह्न सहित पहचानें। / (-x) means (-1x), so the coefficient is (-1). Identify the hidden (1) with its sign.
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What is the coefficient of (x) in \(x^3+4x^2-5\)?
C. (0)
इसमें (x) का पद नहीं है इसलिए (x) का गुणांक (0) है। अनुपस्थित पद को तुरंत पहचानना जरूरी है। / It has no (x)-term, so the coefficient of (x) is (0). It is important to identify missing terms quickly.
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What is the coefficient of (x) in \(10x^3-6x^2+2x-1\)?
C. (2)
(x) वाले पद (2x) का गुणांक (2) है। केवल उसी पद को देखें जिसमें \(x^1\) हो। / The coefficient of the (x)-term (2x) is (2). Look only at the term containing \(x^1\).
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What is the coefficient of \(x^2\) in \(2x^3-7\)?
B. (0)
\(x^2\) का कोई पद नहीं है इसलिए गुणांक (0) है। अनुपस्थित घात को शून्य गुणांक वाला पद माना जा सकता है। / There is no \(x^2\) term, so the coefficient is (0). A missing power can be treated as a term with zero coefficient.
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What is the coefficient of \(x^3\) in \(8x^5-3x^2+4\)?
C. (0)
इस बहुपद में \(x^3\) का पद नहीं है इसलिए उसका गुणांक (0) है। अनुपस्थित पद का गुणांक (0) माना जाता है। / There is no \(x^3\) term, so its coefficient is (0). The coefficient of a missing term is taken as (0).
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What is the coefficient of (x) in \(x^2-7x\)?
B. (-7)
(x) के साथ लगा गुणक (-7) है। ऋण चिह्न को गुणांक का भाग मानें। / The multiplier of (x) is (-7). Treat the negative sign as part of the coefficient.
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What is the coefficient of \(x^2\) in \(5x^2-8x+6\)?
A. (5)
\(x^2\) के साथ लगा गुणक (5) है। पद के गुणांक को उसके चर भाग से अलग पहचानें। / The multiplier of \(x^2\) is (5). Identify the coefficient separately from the variable part.
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If (p(x)=2x-3-5x+9), what is the coefficient of \(x^2\)?
D. (0)
इस बहुपद में \(x^2\) पद नहीं है, इसलिए उसका गुणांक (0) है। अनुपस्थित पद का गुणांक हमेशा (0) माना जाता है। / There is no \(x^2\)-term in this polynomial, so its coefficient is (0). The coefficient of a missing term is always taken as (0).
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In \(2x^2+3x+4\), what are the coefficient of (x) and the constant term respectively?
A. (3,4)
(x) का गुणांक (3) और नियत पद (4) है। क्रमशः पूछे गए क्रम का ध्यान रखें। / The coefficient of (x) is (3), and the constant term is (4). Keep the asked order in mind.
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What is the coefficient of \(x^2\) in \(4x^3+x+2\)?
D. (0)
इस बहुपद में \(x^2\) पद नहीं है, इसलिए उसका गुणांक (0) है। अनुपस्थित पद का गुणांक शून्य माना जाता है। / There is no \(x^2\)-term, so its coefficient is (0). The coefficient of a missing term is taken as zero.
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What is the coefficient of \(x^2\) in \(8x^3-5x^2+4\)?
B. (-5)
\(x^2\) वाला पद \(-5x^2\) है, इसलिए गुणांक (-5) है। चिह्न को गुणांक के साथ लिखें। / The \(x^2\)-term is \(-5x^2\), so the coefficient is (-5). Write the sign with the coefficient.
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What is the constant term in \(6x^2-3x+10\)?
C. (10)
जिस पद में (x) नहीं है वह नियत पद होता है। यहाँ वह (10) है। / The term without (x) is the constant term. Here it is (10).
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What is the coefficient of (x) in \(4x^2+0x+6\)?
B. (0)
(x) वाला पद (0x) है इसलिए गुणांक (0) है। छिपे हुए शून्य पदों पर ध्यान दें। / The (x)-term is (0x), so its coefficient is (0). Notice hidden zero terms.
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What is the coefficient of \(x^2\) in (p(x)=2x-4-5x-3+x-8)?
D. (0)
इस बहुपद में \(x^2\) पद नहीं है। इसलिए \(x^2\) का गुणांक (0) है। / There is no \(x^2\) term in this polynomial. Therefore the coefficient of \(x^2\) is (0).
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If the coefficient of (x) in (p(x)=2x-2+kx+3) is (5), what is the value of (k)?
C. (5)
(kx) में (x) का गुणांक (k) है। इसलिए (k=5) होगा। / In (kx), the coefficient of (x) is (k). Therefore (k=5).
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What is the coefficient of (x) in \(2x^2-9\)?
C. (0)
इसमें (x) वाला पद लिखा नहीं है इसलिए उसका गुणांक (0) है। परीक्षा में लुप्त पद का गुणांक (0) मानें। / There is no (x)-term, so its coefficient is (0). In exams, treat the coefficient of a missing term as (0).
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What is the coefficient of the missing \(x^4\) term in \(x^5-4x^2+10\)?
C. (0)
जो पद लिखा नहीं है उसका गुणांक (0) माना जाता है। इसलिए \(x^4\) का गुणांक (0) है। / A missing term is treated as having coefficient (0). So the coefficient of \(x^4\) is (0).
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What is the coefficient of \(x^3\) in \(9x^4-2x^3+7\)?
B. \(-2\)
\(x^3\) के साथ (-2) लगा है। इसलिए \(x^3\) का गुणांक (-2) है। / The number attached to \(x^3\) is (-2). So the coefficient of \(x^3\) is (-2).
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What is the coefficient of \(x^2\) in \(5x^4-3x^2+x-6\)?
B. \(-3\)
\(x^2\) के साथ लगा संख्या गुणांक (-3) है। परीक्षा में पद का चिह्न भी गुणांक में शामिल करें। / The number attached to \(x^2\) is (-3). In exams, include the sign of the term in the coefficient.
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What will be (D) for the equation \(2x^2-3x+1=0\)?
A. (1)
यहाँ (D=(-3)2-4(2)(1)=1) है। (a=2) को सूत्र में रखना न भूलें। / Here (D=(-3)2-4(2)(1)=1). Do not forget to put (a=2) in the formula.
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If \(x^2+bx+49=0\) has equal and negative roots, what is the value of (b)?
B. (14)
समान जड़ों के लिए \(b^2-196=0\), इसलिए \(b=\pm14\)। समान जड़ \(-\frac{b}{2}\) ऋणात्मक होनी चाहिए, अतः (b=14)। / For equal roots, \(b^2-196=0\), so \(b=\pm14\). The equal root \(-\frac{b}{2}\) must be negative, hence (b=14).
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If \(x^2+bx+25=0\) has equal and negative roots, what is the value of (b)?
A. (10)
समान जड़ों के लिए \(b^2-100=0\), इसलिए \(b=\pm10\)। समान जड़ \(-\frac{b}{2}\) ऋणात्मक होनी चाहिए, अतः (b=10)। / For equal roots, \(b^2-100=0\), so \(b=\pm10\). The equal root \(-\frac{b}{2}\) must be negative, hence (b=10).
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C. (36)
(\(\alpha-\beta\)2=\(\alpha+\beta\)2-4\alpha\beta) लगाएँ। (16=\(\alpha+\beta\)2-20), इसलिए (\(\alpha+\beta\)2=36) और \(m^2=36\)। / Use (\(\alpha-\beta\)2=\(\alpha+\beta\)2-4\alpha\beta). Since (16=\(\alpha+\beta\)2-20), we get (\(\alpha+\beta\)2=36) and \(m^2=36\).
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If (3) and (-4) are roots, what is the value of \(\frac{q}{5}\) in \(5x^2+px+q=0\)?
A. (-12)
मूलों का गुणनफल \(\frac{q}{5}\) होता है। (3\cdot(-4)=-12) इसलिए \(\frac{q}{5}=-12\) है। / The product of roots is \(\frac{q}{5}\). Since (3\cdot(-4)=-12), \(\frac{q}{5}=-12\).
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If (3) and (5) are roots of \(ax^2+bx+15=0\), what is the value of (a)?
A. (1)
मूलों का गुणनफल \(\frac{c}{a}\) होता है। \(3\cdot5=\frac{15}{a}\) से (a=1) मिलता है। / The product of roots is \(\frac{c}{a}\). From \(3\cdot5=\frac{15}{a}\), we get (a=1).
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If (2) and (-3) are roots, what is the value of \(\frac{q}{3}\) in \(3x^2+px+q=0\)?
A. (-6)
मूलों का गुणनफल \(\frac{q}{3}\) होता है। (2\cdot(-3)=-6) इसलिए \(\frac{q}{3}=-6\) है। / The product of roots is \(\frac{q}{3}\). Since (2\cdot(-3)=-6), \(\frac{q}{3}=-6\).
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If (2) and (3) are roots of \(ax^2+bx+6=0\), what is the value of (a)?
A. (1)
मूलों का गुणनफल \(\frac{c}{a}\) होता है। यहां \(2\cdot3=\frac{6}{a}\) से (a=1) मिलता है। / The product of roots is \(\frac{c}{a}\). Here \(2\cdot3=\frac{6}{a}\), so (a=1).
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What are the roots of \(2x^2-5x+3=0\)?
A. (1) और \(\frac{3}{2}\)(1) and \(\frac{3}{2}\)
(2x-2-5x+3=(2x-3)(x-1)) इसलिए मूल \(\frac{3}{2}\) और (1) हैं। गुणांक वाले गुणनखंडों में सावधानी रखें। / (2x-2-5x+3=(2x-3)(x-1)) so the roots are \(\frac{3}{2}\) and (1). Be careful with factors that contain coefficients.
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If both roots of \(x^2+bx+144=0\) are equal and their value is (-12), what is (b)?
A. (24)
दोनों मूल (-12) हैं, इसलिए योग (-24) है। यहाँ मूलों का योग (-b) है, अतः (b=24)। / Both roots are (-12), so the sum is (-24). Here the sum of roots is (-b), so (b=24).
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If both roots of \(x^2+bx+100=0\) are equal and their value is (-10), what is (b)?
A. (20)
दोनों मूल (-10) हैं, इसलिए योग (-20) है। यहाँ मूलों का योग (-b) है, अतः (b=20)। / Both roots are (-10), so the sum is (-20). Here the sum of roots is (-b), so (b=20).
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