Question

If x = 9-45, find the value of x²+
1/X²
​

Answer 1

$x = 9-45=-36$

$x^2+ \frac{1}{x^2}$  =>  $-36^2 + \frac{1}{36^2}$  =>  $1296 + \frac{1}{1296}$  => $\frac{1296}{1} + \frac{1}{1296}$

lcm = 1296

=> $\frac{1679616}{1296} + \frac{1}{1296}$  =>  $\frac{1679617}{1296}$.

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