if (x^2+1/x^2)=102,then the value of (x - 1/x)=?
swapnilpramod1409:
is x^2 dividing (x^2+1) as a whole or it is 1/x^2
it is just 1/x^2
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the answer is +10or-10.Apply the formula (a-b)^2=a^2+b^2-2ab
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it's answer is +10 Or -10
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thans
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