ज्ञात कीजिए।
(i) `int e^(x)(tan ^(-1) x + (1)/(1 + x^(2))) dx`
(ii) `int ((x^(2)+1)e^(x) dx)/((x+1)^(2))`

Answer

(i) `= e^(x) tan^(-1) x +C`
(ii) इसलिये `int (x^(2) +1)/(x+1)^(2) e^(x)dx = ((x-1)/(x+1))e^(x)+c`