( \(2\sqrt{7}+\sqrt{5}\)\(2\sqrt{7}-\sqrt{5}\) ) का मान क्या है?

What is the value of ( \(2\sqrt{7}+\sqrt{5}\)\(2\sqrt{7}-\sqrt{5}\) )?

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

A. (23)

Step 1

Concept

This is a difference of squares. ( \(2\sqrt{7}\)2-\(\sqrt{5}\)2=28-5=23 ).

Step 2

Why this answer is correct

The correct answer is A. (23). This is a difference of squares. ( \(2\sqrt{7}\)2-\(\sqrt{5}\)2=28-5=23 ).

Step 3

Exam Tip

यह अंतर के वर्ग का रूप है। ( \(2\sqrt{7}\)2-\(\sqrt{5}\)2=28-5=23 )।

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FAQs

Mathematics Answer, Explanation and Revision Hints

( \(2\sqrt{7}+\sqrt{5}\)\(2\sqrt{7}-\sqrt{5}\) ) का मान क्या है? / What is the value of ( \(2\sqrt{7}+\sqrt{5}\)\(2\sqrt{7}-\sqrt{5}\) )?

Correct Answer: A. (23). Explanation: यह अंतर के वर्ग का रूप है। ( \(2\sqrt{7}\)2-\(\sqrt{5}\)2=28-5=23 )। / This is a difference of squares. ( \(2\sqrt{7}\)2-\(\sqrt{5}\)2=28-5=23 ).

Which concept should I revise for this Mathematics MCQ?

This is a difference of squares. ( \(2\sqrt{7}\)2-\(\sqrt{5}\)2=28-5=23 ).

What exam hint can help solve this Mathematics question?

यह अंतर के वर्ग का रूप है। ( \(2\sqrt{7}\)2-\(\sqrt{5}\)2=28-5=23 )।