\(\frac{3}{\sqrt{7}+\sqrt{4}}\) का परिमेयकृत रूप क्या है?
What is the rationalised form of \(\frac{3}{\sqrt{7}+\sqrt{4}}\)?
Explanation opens after your attempt
B. \(\sqrt{7}-2\)
Concept
The denominator is \(\sqrt{7}+2\) and the conjugate makes it (7-4=3). So the answer is \(\sqrt{7}-2\).
Why this answer is correct
The correct answer is B. \(\sqrt{7}-2\). The denominator is \(\sqrt{7}+2\) and the conjugate makes it (7-4=3). So the answer is \(\sqrt{7}-2\).
Exam Tip
हर \(\sqrt{7}+2\) है और संयुग्मी से हर (7-4=3) बनता है। इसलिए उत्तर \(\sqrt{7}-2\) है।
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