Practice focused topic-wise MCQs with answers and explanations for quick revision and exam preparation.
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After simplifying \(4x^3-2x^3+x+5\), what is its degree?
C. (3)
समान पद मिलाकर \(2x^3+x+5\) मिलता है। सबसे बड़ी घात (3) है। / Combining like terms gives \(2x^3+x+5\). The highest power is (3).
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Which polynomial is a constant polynomial?
C. \(-7\)
स्थिर बहुपद में चर नहीं होता। (-7) शून्य से भिन्न स्थिर बहुपद है। / A constant polynomial has no variable. The number (-7) is a non-zero constant polynomial.
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If (p(x)=ax-2+bx+c) and \(a\neq0\), what type of polynomial is (p(x))?
B. द्विघातQuadratic
क्योंकि \(a\neq0\), \(x^2\) वाला पद उपस्थित है। इसलिए घात (2) है और यह द्विघात बहुपद है। / Since \(a\neq0\), the \(x^2\) term is present. So the degree is (2) and it is a quadratic polynomial.
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If (p(x)=ax+b) and \(a\neq0\), what is the degree of (p(x))?
B. (1)
\(a\neq0\) होने से (x) वाला पद मौजूद है। इसलिए बहुपद की घात (1) है। / Since \(a\neq0\), the (x)-term is present. Therefore the degree of the polynomial is (1).
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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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Which expression is a polynomial in one variable with real coefficients?
A. \(\sqrt{2}x^2-3x+1\)
\(\sqrt{2}\) एक वास्तविक संख्या है और (x) की घातें पूर्ण संख्याएँ हैं। इसलिए यह बहुपद है। / \(\sqrt{2}\) is a real number and the powers of (x) are whole numbers. So it is a polynomial.
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How many coefficients are there in (p(x)=3x-2+4x+5) when viewed as \(ax^2+bx+c\)?
C. (3)
\(ax^2+bx+c\) में (a), (b) और (c) तीन गुणांक होते हैं। यहाँ वे (3), (4) और (5) हैं। / In \(ax^2+bx+c\), there are three coefficients (a), (b), and (c). Here they are (3), (4), and (5).
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Which polynomial in (x) has degree (4)?
A. \(x^4+x^2+1\)
\(x^4+x^2+1\) में सबसे बड़ी घात (4) है। इसलिए इसकी घात (4) है। / The highest power in \(x^4+x^2+1\) is (4). So its degree is (4).
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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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If the constant term of (p(x)=x-2+ax+4) is (4), which term is the constant term?
C. (4)
स्थिर पद में (x) नहीं होता। इसलिए (4) स्थिर पद है। / The constant term does not contain (x). So (4) is the constant term.
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