" 27.(i) "int e^(x)a^(x)dx

(i) int e^(3x)dx

" (i) "int e^(x)[e^(log x)+2]dx

" (i) "int e^(x)[e^(log x)+1]dx

" (i) "int(e^(tan^(-1)x)dx)/((1+x^(2))

Ecaluate the following: (i) int(sec^(2)x)/(3+tanx)dx " (ii) " int(e^(x)-e^(-x))/(e^(x)+e^(-x))dx (iii) int(1-tanx)/(1+tanx)dx " (iv) " int(1)/(1+e^(-x))dx

Evaluate the following: (i) int(sec^(2)x)/(3+tanx)dx " (ii) " int(e^(x)-e^(-x))/(e^(x)+e^(-x))dx (iii) int(1-tanx)/(1+tanx)dx " (iv) " int(1)/(1+e^(-x))dx

Ecaluate the following: (i) int(sec^(2)x)/(3+tanx)dx " (ii) " int(e^(x)-e^(-x))/(e^(x)+e^(-x))dx (iii) int(1-tanx)/(1+tanx)dx " (iv) " int(1)/(1+e^(-x))dx

(i) int e^(4log x)dx

Evaluate: (i) int(e^(x)+1)/(e^(x)+x)dx( ii) int(1)/(x log x)dx

(i) int (dx)/(e^x+e^(-x)) (ii) int e^x/(e^(2x)+1) dx