SOLUTION: A function is called even if f(-x)=f(x)for every value of x. Show that f(x)=x^2-x^-2 is even.

SOLUTION: A function is called even if f(-x)=f(x)for every value of x. Show that f(x)=x^2-x^-2 is even.

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Question 881358: A function is called even if f(-x)=f(x)for every value of x. Show that f(x)=x^2-x^-2 is even.
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!

So,
so it is an even function.

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