\(\sqrt{5}\) के प्रमाण में (m=5k) रखने पर \(m^2=5n^2\) से कौन सा समीकरण बनेगा?

In the proof of \(\sqrt{5}\), after putting (m=5k), which equation follows from \(m^2=5n^2\)?

Explanation opens after your attempt
Correct Answer

B. \(25k^2=5n^2\)

Step 1

Concept

If (m=5k), then \(m^2=25k^2\).

Step 2

Why this answer is correct

So \(m^2=5n^2\) becomes \(25k^2=5n^2\).

Step 3

Exam Tip

Writing ((5k)2) as \(5k^2\) is a mistake. चरण 1: (m=5k) रखने पर \(m^2=25k^2\) होगा। चरण 2: इसलिए \(m^2=5n^2\) में \(25k^2=5n^2\) मिलेगा। चरण 3: ((5k)2) को \(5k^2\) लिखना गलती है।

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Mathematics Answer, Explanation and Revision Hints

\(\sqrt{5}\) के प्रमाण में (m=5k) रखने पर \(m^2=5n^2\) से कौन सा समीकरण बनेगा? / In the proof of \(\sqrt{5}\), after putting (m=5k), which equation follows from \(m^2=5n^2\)?

Correct Answer: B. \(25k^2=5n^2\). Explanation: चरण 1: (m=5k) रखने पर \(m^2=25k^2\) होगा। चरण 2: इसलिए \(m^2=5n^2\) में \(25k^2=5n^2\) मिलेगा। चरण 3: ((5k)2) को \(5k^2\) लिखना गलती है। / Step 1: If (m=5k), then \(m^2=25k^2\). Step 2: So \(m^2=5n^2\) becomes \(25k^2=5n^2\). Step 3: Writing ((5k)2) as \(5k^2\) is a mistake.

Which concept should I revise for this Mathematics MCQ?

If (m=5k), then \(m^2=25k^2\).

What exam hint can help solve this Mathematics question?

Writing ((5k)2) as \(5k^2\) is a mistake. चरण 1: (m=5k) रखने पर \(m^2=25k^2\) होगा। चरण 2: इसलिए \(m^2=5n^2\) में \(25k^2=5n^2\) मिलेगा। चरण 3: ((5k)2) को \(5k^2\) लिखना गलती है।