Question

If x=6-√35 , find 【1/x , x+1/x , x(square)+1/x(square)】

Answer 1

Answer:

i) 6+√35

ii) 42+7√35-6√35-35= 7+√35

iii)

$( {(6 - \sqrt{35)} }^{2} + 1) \div {(6 - \sqrt{35)} }^{2}$

$(36 + 35 - 12\sqrt{35} + 1) \\ \div (36 + 35 - 12\sqrt{35})$

(72-12√35) /(71-12√35)

rationalise it