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