किस विकल्प में \(\frac{1}{\sqrt{10}-3}\) का सही मान है?
Which option gives the correct value of \(\frac{1}{\sqrt{10}-3}\)?
Explanation opens after your attempt
A. \(\sqrt{10}+3\)
Concept
Multiplying by the conjugate of the denominator makes the denominator (10-9=1). Therefore the value is \(\sqrt{10}+3\).
Why this answer is correct
The correct answer is A. \(\sqrt{10}+3\). Multiplying by the conjugate of the denominator makes the denominator (10-9=1). Therefore the value is \(\sqrt{10}+3\).
Exam Tip
हर के संयुग्मी से गुणा करने पर हर (10-9=1) बनता है। इसलिए मान \(\sqrt{10}+3\) है।
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