\(x^2+8x\) को पूर्ण वर्ग बनाने के लिए कौन सा पद जोड़ना चाहिए?

Which term should be added to \(x^2+8x\) to make it a perfect square?

Author: Muft Shiksha Editorial Team Published:
Explanation opens after your attempt
Correct Answer

D. (16)

Step 1

Concept

Half of (8) is (4), and \(4^2=16\). Exam tip: add the square of half the coefficient.

Step 2

Why this answer is correct

The correct answer is D. (16). Half of (8) is (4), and \(4^2=16\). Exam tip: add the square of half the coefficient.

Step 3

Exam Tip

(8) का आधा (4) और \(4^2=16\) है। परीक्षा में आधे गुणांक का वर्ग जोड़ें।

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Mathematics Answer, Explanation and Revision Hints

\(x^2+8x\) को पूर्ण वर्ग बनाने के लिए कौन सा पद जोड़ना चाहिए? / Which term should be added to \(x^2+8x\) to make it a perfect square?

Correct Answer: D. (16). Explanation: (8) का आधा (4) और \(4^2=16\) है। परीक्षा में आधे गुणांक का वर्ग जोड़ें। / Half of (8) is (4), and \(4^2=16\). Exam tip: add the square of half the coefficient.

Which concept should I revise for this Mathematics MCQ?

Half of (8) is (4), and \(4^2=16\). Exam tip: add the square of half the coefficient.

What exam hint can help solve this Mathematics question?

(8) का आधा (4) और \(4^2=16\) है। परीक्षा में आधे गुणांक का वर्ग जोड़ें।