Question

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Answer 1

Answer:

√9+√8

Step-by-step explanation:

$\: \: \: \frac{1}{ \sqrt{9} - \sqrt{8} }$

$= \frac{1}{ \sqrt{9} - \sqrt{8} } \times \frac{ \sqrt{9} + \sqrt{8} }{ \sqrt{9} + \sqrt{8} }$

Using identity (a+b)(a-b) = a²-b²

$= \frac{ \sqrt{9} + \sqrt{8} }{( \sqrt{9} )^{2} - ({ \sqrt{8} })^{2} }$

$= \frac{ \sqrt{9} + \sqrt{8} }{9 - 8}$

$= \frac{ \sqrt{9} + \sqrt{8} }{1}$

$= \sqrt{9} + \sqrt{8}$

Hope, it may be helpful.

Answer 2

Answer: hope the answer will be useful.

pls mark brainliest