X +1/X=9 then find the value of x²+1/x²
with explanation
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Step-by-step explanation:
{X+1}÷x= 9
=> {X+1} = 9x
=> 9x-x= 1
=> 8x= 1
=> X=1/8
Thus, {x²+1}\x²= {1/64+1}÷1/64
= 65/64×64
= 65
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