0 reads0 ratings0 helpful
Which of the following trinomials is a perfect-square trinomial and can be written as the product of two identical binomials?निम्नलिखित में से कौन-सा त्रिपद एक पूर्ण वर्ग त्रिपद है और दो समान द्विपदों के गुणनफल के रूप में लिखा जा सकता है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: \(x^2+10x+25\)\(x^2+10x+25\)
In \(x^2+10x+25\), \(25=5^2\) and the middle term is \(2\cdot x\cdot5=10x\). Hence it is \((x+5)^2\). The expression ending in 20 does not fit this pattern. Exam tip: verify \(b^2=4ac\).\(x^2+10x+25\) में \(25=5^2\) और मध्य पद \(2\cdot x\cdot5=10x\) है। अतः यह \((x+5)^2\) है। \(x^2+10x+20\) में स्थिर पद 25 नहीं है। परीक्षा में \(b^2=4ac\) जाँचें।
Student feedback
Was this question useful?
Was this question useful?
👍 0 Helpful 👎 0 Not helpful
Difficulty
Easy0%
Medium0%
Hard0%
Was the explanation clear?
Yes 0% No 0%
0 responsesStudent Reviews
No published reviews yet.
