Question

if x= 3+√8 then find the value of
$x ^{2} + \frac{1}{ x {}^{2} }$
please please answer me with step by step explaination and don't cpy from goole​

Answer 1

Step-by-step explanation:

kindly refer attachment for your answer

Answer 2

Step-by-step explanation:

x² = (3 + √8)²

= 9+8

=17

hence,

1/x² = 1/17

now,

let's solve the problem,

x² + 1/x² = 17 + 1/17

= 290/17

= 17.1

therefore the answer is 17.1

ok

I have solved this

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