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Q9) Find the value: -\left(x-\frac{1}{x}\right)\left(x+\frac{1}{x}\right)\left(x^{2}+\frac{1}{x}\right)

Answer»

(a-b)(a+b)=a^2-b^2hence(x^2-1/x^2)(x^2+1/x^2)=x^4-1/x^4



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