• November 5th 2008, 07:55 AM
Evaluate $\int ^{2}_{-2}\frac{dx}{4+x^2}$ directly as well as by the sustitution
$x= \frac {1}{t}$ .Examine as to why the two answers do not tally?
Evaluate $\int ^{2}_{-2}\frac{dx}{4+x^2}$ directly as well as by the sustitution
$x= \frac {1}{t}$ .Examine as to why the two answers do not tally?