यदि ( (x+3)2=x-2+kx+9 ) है तो (k) का मान क्या होगा?
If ( (x+3)2=x-2+kx+9 ), what is the value of (k)?
Explanation opens after your attempt
B. (6)
Concept
The middle term is \(2\times x\times3=6x\), so (k=6). Exam tip: find the coefficient from the middle term.
Why this answer is correct
The correct answer is B. (6). The middle term is \(2\times x\times3=6x\), so (k=6). Exam tip: find the coefficient from the middle term.
Exam Tip
मध्य पद \(2\times x\times3=6x\) है इसलिए (k=6)। परीक्षा में मध्य पद से गुणांक निकालें।
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