1.

quad*(text*(x^2*(I*f))) %2B 1/(x^2)=38

Answer»

x^2+1/x^2=38

or,(x-1/x)^2+2*x*1/x=38

or,(x-1/x)^2=36

or,x-1/x=+6 or -6

it is the answer.

But i mention the conditions of the two answers-

when,

x-1/x=6

we can write,

x>1/x

or,x^2>1

or,|x|>1

when,

x-1/x=-6

we can write,

x<1/x

or,x^2<1


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