Question

if the x²+ 1/ x² =32 then the value of (x-1/x) is​

Answer 1

If the x²+ 1/ x² =32 then the value of (x-1/x) is​

x²+ 1/ x² =32

it can be written as  (x+ 1/ x)^2

{ it is in the form of (a + b)^2 = a^2 + 2ab + b^2 } where a = x ; b = 1/x

(x)^2 + 2×x×1/x +(1/x)^2

x^2 + 1/x^2 = 32-2

x^2 + 1/x^2 = 30

Therefore, the value of x^2 + 1/x^2 is 30

Hope this will help you

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