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## Homework Statement

Evaluate the definite integral of the algebraic function. Use a graphing utility to verify your result.

Integral from [1 to 2] of (3/x^2 - 1)

## Homework Equations

The answer is 1/2

f(x)dx= F(b) - F(a)

## The Attempt at a Solution

I tried taking it to make it -x^-3 - 1x as the antiderivative but when I put 2 in and then 1 I don't get the answer.