\(\sqrt{8+\sqrt{15}}\) के बारे में कौन-सा कथन निश्चित रूप से सही है?

Which statement is definitely true about \(\sqrt{8+\sqrt{15}}\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

B. इसका वर्ग \(8+\sqrt{15}\) हैIts square is \(8+\sqrt{15}\)

Step 1

Concept

Since \(8+\sqrt{15}\) is positive, its square root is real. Squaring it gives the inside number \(8+\sqrt{15}\).

Step 2

Why this answer is correct

The correct answer is B. इसका वर्ग \(8+\sqrt{15}\) है / Its square is \(8+\sqrt{15}\). Since \(8+\sqrt{15}\) is positive, its square root is real. Squaring it gives the inside number \(8+\sqrt{15}\).

Step 3

Exam Tip

क्योंकि \(8+\sqrt{15}\) धनात्मक है, इसका वर्गमूल वास्तविक है। वर्ग करने पर अंदर की संख्या \(8+\sqrt{15}\) मिलती है।

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Mathematics Answer, Explanation and Revision Hints

\(\sqrt{8+\sqrt{15}}\) के बारे में कौन-सा कथन निश्चित रूप से सही है? / Which statement is definitely true about \(\sqrt{8+\sqrt{15}}\)?

Correct Answer: B. इसका वर्ग \(8+\sqrt{15}\) है / Its square is \(8+\sqrt{15}\). Explanation: क्योंकि \(8+\sqrt{15}\) धनात्मक है, इसका वर्गमूल वास्तविक है। वर्ग करने पर अंदर की संख्या \(8+\sqrt{15}\) मिलती है। / Since \(8+\sqrt{15}\) is positive, its square root is real. Squaring it gives the inside number \(8+\sqrt{15}\).

Which concept should I revise for this Mathematics MCQ?

Since \(8+\sqrt{15}\) is positive, its square root is real. Squaring it gives the inside number \(8+\sqrt{15}\).

What exam hint can help solve this Mathematics question?

क्योंकि \(8+\sqrt{15}\) धनात्मक है, इसका वर्गमूल वास्तविक है। वर्ग करने पर अंदर की संख्या \(8+\sqrt{15}\) मिलती है।