Question

3/(√2-1) simplyfy it in rationalising the denominator

Answer 1

Step-by-step explanation:

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Answer 2

$\bold{Given,\ \frac{3}{(\sqrt{2}-1) } }\\\\\bold{=\frac{3(\sqrt{2}+1 )}{(\sqrt{2}-1)(\sqrt{2}+1)} }\\\\\bold{=\frac{3\sqrt{2}+3 }{(\sqrt{2})^2-(1)^2} }\\\\\bold{=\frac{3\sqrt{2}+3 }{2-1} }\\\\\bold{=\frac{3\sqrt{2}+3 }{1} }\\\\\bold{=3\sqrt{2}+3}$

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