5m Zen
Int frac
Int frac pictures 5
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Int frac
int frac 1 x^2+9 dx
int frac 1 e^x+e^ -x dx
int frac x^2+1 dx
int frac 1 1+e^x dx
int frac 1 x^2 dx
int frac 1 sqrt 1+x^2 dx
int frac 1 1-x^2 dx
int frac 1 sqrt x dx
int frac 1 x^2+4 dx
