Question

x-1/x=8 then x²+1/x²​

Answer 1

Answer:

66

Step-by-step explanation:

answer explained in image.

Answer 2

$\frac{x - 1}{x} = 8$

squaring both the sides

$( \frac{x - 1}{x} ) {}^{2} = {8}^{2}$

$\frac{ {x}^{2} + 1}{ {x}^{2} } - 2 = 64$

$\frac{ {x}^{2} + 1 }{ {x}^{2} } = 64 + 2$

$\frac{ {x}^{2} + 1 }{ {x}^{2} } = 66$

hope it helps u

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