यदि \(x=3\sqrt{5}-\sqrt{45}\) है, तो (x) का मान क्या है?

If \(x=3\sqrt{5}-\sqrt{45}\), what is the value of (x)?

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

A. (0)

Step 1

Concept

\(\sqrt{45}=3\sqrt{5}\), so \(3\sqrt{5}-3\sqrt{5}=0\). Simplify the radical first.

Step 2

Why this answer is correct

The correct answer is A. (0). \(\sqrt{45}=3\sqrt{5}\), so \(3\sqrt{5}-3\sqrt{5}=0\). Simplify the radical first.

Step 3

Exam Tip

\(\sqrt{45}=3\sqrt{5}\), इसलिए \(3\sqrt{5}-3\sqrt{5}=0\) है। पहले मूल को सरल करें।

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Mathematics Answer, Explanation and Revision Hints

यदि \(x=3\sqrt{5}-\sqrt{45}\) है, तो (x) का मान क्या है? / If \(x=3\sqrt{5}-\sqrt{45}\), what is the value of (x)?

Correct Answer: A. (0). Explanation: \(\sqrt{45}=3\sqrt{5}\), इसलिए \(3\sqrt{5}-3\sqrt{5}=0\) है। पहले मूल को सरल करें। / \(\sqrt{45}=3\sqrt{5}\), so \(3\sqrt{5}-3\sqrt{5}=0\). Simplify the radical first.

Which concept should I revise for this Mathematics MCQ?

\(\sqrt{45}=3\sqrt{5}\), so \(3\sqrt{5}-3\sqrt{5}=0\). Simplify the radical first.

What exam hint can help solve this Mathematics question?

\(\sqrt{45}=3\sqrt{5}\), इसलिए \(3\sqrt{5}-3\sqrt{5}=0\) है। पहले मूल को सरल करें।