Expert Mathematics Real Numbers Class 10 Level 13

यदि \(\sqrt{m}+\sqrt{n}=5\) और (m,n) धनात्मक पूर्णांक हैं, तो कौन-सा युग्म संभव है?

If \(\sqrt{m}+\sqrt{n}=5\) and (m,n) are positive integers, which pair is possible?

Explanation opens after your attempt
Correct Answer

A. (m=4,n=9)

Step 1

Concept

\(\sqrt{4}=2\) and \(\sqrt{9}=3\).

Step 2

Why this answer is correct

Their sum is (2+3=5).

Step 3

Exam Tip

To get a rational integer sum, check perfect squares first. चरण 1: \(\sqrt{4}=2\) और \(\sqrt{9}=3\)। चरण 2: इनका योग (2+3=5) है। चरण 3: परिमेय पूर्णांक योग पाने के लिए पूर्ण वर्गों को पहले जाँचें।

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Mathematics Answer, Explanation and Revision Hints

यदि \(\sqrt{m}+\sqrt{n}=5\) और (m,n) धनात्मक पूर्णांक हैं, तो कौन-सा युग्म संभव है? / If \(\sqrt{m}+\sqrt{n}=5\) and (m,n) are positive integers, which pair is possible?

Correct Answer: A. (m=4,n=9). Explanation: चरण 1: \(\sqrt{4}=2\) और \(\sqrt{9}=3\)। चरण 2: इनका योग (2+3=5) है। चरण 3: परिमेय पूर्णांक योग पाने के लिए पूर्ण वर्गों को पहले जाँचें। / Step 1: \(\sqrt{4}=2\) and \(\sqrt{9}=3\). Step 2: Their sum is (2+3=5). Step 3: To get a rational integer sum, check perfect squares first.

Which concept should I revise for this Mathematics MCQ?

\(\sqrt{4}=2\) and \(\sqrt{9}=3\).

What exam hint can help solve this Mathematics question?

To get a rational integer sum, check perfect squares first. चरण 1: \(\sqrt{4}=2\) और \(\sqrt{9}=3\)। चरण 2: इनका योग (2+3=5) है। चरण 3: परिमेय पूर्णांक योग पाने के लिए पूर्ण वर्गों को पहले जाँचें।

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