यदि \(p=\frac{1}{\sqrt{5}+2}\) है, तो (p) का सरल रूप कौन-सा है?

If \(p=\frac{1}{\sqrt{5}+2}\), which is the simplified form of (p)?

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

A. \(\sqrt{5}-2\)

Step 1

Concept

Multiplying by the conjugate \(\sqrt{5}-2\) makes the denominator (5-4=1). So \(p=\sqrt{5}-2\).

Step 2

Why this answer is correct

The correct answer is A. \(\sqrt{5}-2\). Multiplying by the conjugate \(\sqrt{5}-2\) makes the denominator (5-4=1). So \(p=\sqrt{5}-2\).

Step 3

Exam Tip

संयुग्मी \(\sqrt{5}-2\) से गुणा करने पर हर (5-4=1) होता है। इसलिए \(p=\sqrt{5}-2\) है।

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Mathematics Answer, Explanation and Revision Hints

यदि \(p=\frac{1}{\sqrt{5}+2}\) है, तो (p) का सरल रूप कौन-सा है? / If \(p=\frac{1}{\sqrt{5}+2}\), which is the simplified form of (p)?

Correct Answer: A. \(\sqrt{5}-2\). Explanation: संयुग्मी \(\sqrt{5}-2\) से गुणा करने पर हर (5-4=1) होता है। इसलिए \(p=\sqrt{5}-2\) है। / Multiplying by the conjugate \(\sqrt{5}-2\) makes the denominator (5-4=1). So \(p=\sqrt{5}-2\).

Which concept should I revise for this Mathematics MCQ?

Multiplying by the conjugate \(\sqrt{5}-2\) makes the denominator (5-4=1). So \(p=\sqrt{5}-2\).

What exam hint can help solve this Mathematics question?

संयुग्मी \(\sqrt{5}-2\) से गुणा करने पर हर (5-4=1) होता है। इसलिए \(p=\sqrt{5}-2\) है।