Question

rationalize the denominator of 1 upon root 9 - root 8 ​

Answer 1

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Answer 2

Answer:-

⇒ $\frac{1}{\sqrt{9}-\sqrt{8} }$

⇒ $\frac{1}{\sqrt{9}-\sqrt{8}}$  ×  $\frac{\sqrt{9}+\sqrt{8} }{\sqrt{9}+\sqrt{8} }$

⇒$\frac{\sqrt{9} + \sqrt{8} }{9 - 8}$

⇒$\frac{\sqrt{9} + \sqrt{8} }{1}$

⇒$\sqrt{9} + \sqrt{8}$

⇒ 3 + $\sqrt{8}$

Hence the denominator is Rationalized.