\(\frac{5}{\sqrt{17}+\sqrt{8}}\) का परिमेयकृत रूप क्या है?
What is the rationalised form of \(\frac{5}{\sqrt{17}+\sqrt{8}}\)?
Explanation opens after your attempt
Correct Answer
A. (\frac{5\(\sqrt{17}-\sqrt{8}\)}{9})
Concept
Multiplying by the conjugate makes the denominator (17-8=9). So the form is (\frac{5\(\sqrt{17}-\sqrt{8}\)}{9}).
Why this answer is correct
The correct answer is A. (\frac{5\(\sqrt{17}-\sqrt{8}\)}{9}). Multiplying by the conjugate makes the denominator (17-8=9). So the form is (\frac{5\(\sqrt{17}-\sqrt{8}\)}{9}).
Exam Tip
संयुग्मी से गुणा करने पर हर (17-8=9) बनता है। इसलिए रूप (\frac{5\(\sqrt{17}-\sqrt{8}\)}{9}) है।
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