Question

I will surly mark you braninest if you solve it​

Answer 1

Step by Step Explanation :

Let

$x - \frac{1}{x} = 2$

Now squaring both sides we get,

$x ^{2} - 2 + \frac{1}{x ^{2} } = 4$

OR

${x}^{2} + \frac{1}{x {}^{2} } = 6$

Now again squaring we have,

${x}^{4} + \frac{1}{x {}^{4} } + 2 = 36$

OR

$x {}^{4} + \frac{1}{x {}^{4} } = 36$