Question

If x=9-4root5 then find 1by x square

Answer 1

As i had already given in the previous question

${x}^{2} = 0 \\so \\ \frac{1}{ {x}^{2} } = \frac{1}{0} = \infty$

Hopes it helps

Thank and mark as brainliest

Answer 2

We rationalize the value of 1/x and then square it before adding. if equations do not display properly, try REFRESHing the browser.

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