IF X+1/X=8 find the value of x²+1/x²
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x+1/x =8
8x-x=1
7x= 1
x=1/7
x²+1/x² ={(1/7)²+1}/(1/7)²
=(1/49+1)/1/49
=50/49×49/1
= 50 ...ans
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