( \(2+\sqrt{7}\)2 ) का विस्तार क्या है?

What is the expansion of ( \(2+\sqrt{7}\)2 )?

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

A. \(11+4\sqrt{7}\)

Step 1

Concept

Use ( (a+b)2=a-2+2ab+b-2 ). Here \(4+4\sqrt{7}+7=11+4\sqrt{7}\).

Step 2

Why this answer is correct

The correct answer is A. \(11+4\sqrt{7}\). Use ( (a+b)2=a-2+2ab+b-2 ). Here \(4+4\sqrt{7}+7=11+4\sqrt{7}\).

Step 3

Exam Tip

( (a+b)2=a-2+2ab+b-2 ) लगाएँ। यहाँ \(4+4\sqrt{7}+7=11+4\sqrt{7}\) मिलता है।

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Mathematics Answer, Explanation and Revision Hints

( \(2+\sqrt{7}\)2 ) का विस्तार क्या है? / What is the expansion of ( \(2+\sqrt{7}\)2 )?

Correct Answer: A. \(11+4\sqrt{7}\). Explanation: ( (a+b)2=a-2+2ab+b-2 ) लगाएँ। यहाँ \(4+4\sqrt{7}+7=11+4\sqrt{7}\) मिलता है। / Use ( (a+b)2=a-2+2ab+b-2 ). Here \(4+4\sqrt{7}+7=11+4\sqrt{7}\).

Which concept should I revise for this Mathematics MCQ?

Use ( (a+b)2=a-2+2ab+b-2 ). Here \(4+4\sqrt{7}+7=11+4\sqrt{7}\).

What exam hint can help solve this Mathematics question?

( (a+b)2=a-2+2ab+b-2 ) लगाएँ। यहाँ \(4+4\sqrt{7}+7=11+4\sqrt{7}\) मिलता है।