Question

1.If x+1/x,find the value of (a)x^2+1/x^2.(Ans-8)

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Answer 1

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Answer 2

Answer:

3

Step-by-step explanation:

x-1/x=-1

(a-b)^2=a^2+b^2-2ab

x^2+1/x^2=(x-1/x)^2+2*x*1/x

=(x-1/x)^2-2

=(-1)^2 + 2

=3