\(x^2+14x+49\) का गुणनखंडन चुनिए।

Choose the factorisation of \(x^2+14x+49\).

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

B. ((x+7)2)

Step 1

Concept

\(49=7^2\) and \(14x=2\cdot7x\). So (x-2+14x+49=(x+7)2).

Step 2

Why this answer is correct

The correct answer is B. ((x+7)2). \(49=7^2\) and \(14x=2\cdot7x\). So (x-2+14x+49=(x+7)2).

Step 3

Exam Tip

\(49=7^2\) और \(14x=2\cdot7x\) है। इसलिए (x-2+14x+49=(x+7)2) है।

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Mathematics Answer, Explanation and Revision Hints

\(x^2+14x+49\) का गुणनखंडन चुनिए। / Choose the factorisation of \(x^2+14x+49\).

Correct Answer: B. ((x+7)2). Explanation: \(49=7^2\) और \(14x=2\cdot7x\) है। इसलिए (x-2+14x+49=(x+7)2) है। / \(49=7^2\) and \(14x=2\cdot7x\). So (x-2+14x+49=(x+7)2).

Which concept should I revise for this Mathematics MCQ?

\(49=7^2\) and \(14x=2\cdot7x\). So (x-2+14x+49=(x+7)2).

What exam hint can help solve this Mathematics question?

\(49=7^2\) और \(14x=2\cdot7x\) है। इसलिए (x-2+14x+49=(x+7)2) है।