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Prove that: inta^b(f(x))/(f(x)+f(a+b-x...

Prove that: `int_a^b(f(x))/(f(x)+f(a+b-x))dx=(b-a)/2`

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To prove that \[ \int_a^b \frac{f(x)}{f(x) + f(a + b - x)} \, dx = \frac{b - a}{2}, \] we will use a substitution method. ...
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