यदि \(m=\sqrt{245}-\sqrt{125}\) और \(n=2\sqrt{5}\) हैं तो (m-n) क्या है?

If \(m=\sqrt{245}-\sqrt{125}\) and \(n=2\sqrt{5}\), what is (m-n)?

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

A. (0)

Step 1

Concept

\(\sqrt{245}=7\sqrt{5}\) and \(\sqrt{125}=5\sqrt{5}\), so \(m=2\sqrt{5}\). Hence (m-n=0).

Step 2

Why this answer is correct

The correct answer is A. (0). \(\sqrt{245}=7\sqrt{5}\) and \(\sqrt{125}=5\sqrt{5}\), so \(m=2\sqrt{5}\). Hence (m-n=0).

Step 3

Exam Tip

\(\sqrt{245}=7\sqrt{5}\) और \(\sqrt{125}=5\sqrt{5}\), इसलिए \(m=2\sqrt{5}\) है। अतः (m-n=0) है।

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FAQs

Mathematics Answer, Explanation and Revision Hints

यदि \(m=\sqrt{245}-\sqrt{125}\) और \(n=2\sqrt{5}\) हैं तो (m-n) क्या है? / If \(m=\sqrt{245}-\sqrt{125}\) and \(n=2\sqrt{5}\), what is (m-n)?

Correct Answer: A. (0). Explanation: \(\sqrt{245}=7\sqrt{5}\) और \(\sqrt{125}=5\sqrt{5}\), इसलिए \(m=2\sqrt{5}\) है। अतः (m-n=0) है। / \(\sqrt{245}=7\sqrt{5}\) and \(\sqrt{125}=5\sqrt{5}\), so \(m=2\sqrt{5}\). Hence (m-n=0).

Which concept should I revise for this Mathematics MCQ?

\(\sqrt{245}=7\sqrt{5}\) and \(\sqrt{125}=5\sqrt{5}\), so \(m=2\sqrt{5}\). Hence (m-n=0).

What exam hint can help solve this Mathematics question?

\(\sqrt{245}=7\sqrt{5}\) और \(\sqrt{125}=5\sqrt{5}\), इसलिए \(m=2\sqrt{5}\) है। अतः (m-n=0) है।