\(x^2+8x+k\) को पूर्ण वर्ग बनाने के लिए (k) का मान क्या होना चाहिए?
What should be the value of (k) to make \(x^2+8x+k\) a perfect square?
Explanation opens after your attempt
B. (16)
Concept
Half of (8) is (4), and \(4^2=16\). Exam tip: halve the middle coefficient and square it.
Why this answer is correct
The correct answer is B. (16). Half of (8) is (4), and \(4^2=16\). Exam tip: halve the middle coefficient and square it.
Exam Tip
(8) का आधा (4) है और \(4^2=16\) है। परीक्षा में मध्य गुणांक का आधा करके उसका वर्ग लें।
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