\(\frac{\sqrt{7}-\sqrt{3}}{\sqrt{7}+\sqrt{3}}\) का सरल रूप कौन-सा है?
Which is the simplified form of \(\frac{\sqrt{7}-\sqrt{3}}{\sqrt{7}+\sqrt{3}}\)?
Explanation opens after your attempt
Correct Answer
A. \(\frac{5-\sqrt{21}}{2}\)
Concept
Multiplying by the conjugate gives (\frac{\(\sqrt{7}-\sqrt{3}\)2}{7-3}). So the answer is \(\frac{5-\sqrt{21}}{2}\).
Why this answer is correct
The correct answer is A. \(\frac{5-\sqrt{21}}{2}\). Multiplying by the conjugate gives (\frac{\(\sqrt{7}-\sqrt{3}\)2}{7-3}). So the answer is \(\frac{5-\sqrt{21}}{2}\).
Exam Tip
संयुग्मी से गुणा करने पर (\frac{\(\sqrt{7}-\sqrt{3}\)2}{7-3}) मिलता है। इसलिए उत्तर \(\frac{5-\sqrt{21}}{2}\) है।
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