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)?
Explanation opens after your attempt
A. \(\sqrt{5}-2\)
Concept
Multiplying by the conjugate \(\sqrt{5}-2\) makes the denominator (5-4=1). So \(p=\sqrt{5}-2\).
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 \(p=\sqrt{5}-2\).
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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