यदि \(x=\sqrt{11}\) है तो \(x^2-1\) का मान क्या है?

If \(x=\sqrt{11}\), what is the value of \(x^2-1\)?

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

B. (10)

Step 1

Concept

\(x^2=11\), so \(x^2-1=10\). First square the given radical.

Step 2

Why this answer is correct

The correct answer is B. (10). \(x^2=11\), so \(x^2-1=10\). First square the given radical.

Step 3

Exam Tip

\(x^2=11\) इसलिए \(x^2-1=10\) है। पहले दिए गए मूल का वर्ग निकालें।

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Mathematics Answer, Explanation and Revision Hints

यदि \(x=\sqrt{11}\) है तो \(x^2-1\) का मान क्या है? / If \(x=\sqrt{11}\), what is the value of \(x^2-1\)?

Correct Answer: B. (10). Explanation: \(x^2=11\) इसलिए \(x^2-1=10\) है। पहले दिए गए मूल का वर्ग निकालें। / \(x^2=11\), so \(x^2-1=10\). First square the given radical.

Which concept should I revise for this Mathematics MCQ?

\(x^2=11\), so \(x^2-1=10\). First square the given radical.

What exam hint can help solve this Mathematics question?

\(x^2=11\) इसलिए \(x^2-1=10\) है। पहले दिए गए मूल का वर्ग निकालें।