Question

pl solve example of RS book 9 th class pl solve with another way rather than of exampl



If x =
$\frac{1}{3 - \sqrt{8} } \: find \: value \: of \: {x}^{3} - 2 {x}^{2} - 7x + 5$
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Answer 1

Answer:

5 Minute left I am solve this problem

Answer 2

First you have to rationalise the denominator and after getting the value of x then put the value of x in given polynomial and you will get the answer at the end i.e. 167+ 59√8