`int e^(2x + 5)dx`का मान ज्ञात कीजिये ।

Explanation

माना `I = int e^(3x +5) dx " "....(1)`
माना `3x + 5 = t`
`therefore" "3.1 + 0 = (dt)/(dx)`
`rArr" "dt = 3dx " "rArr dx = (1)/(3)dt`
अतः समय (1 ) से
`I = int e^(t)((1)/(3))dt = (1)/(3) int e^(t) dt = (1)/(3) e^(t) = (1)/(3)e^(3x+5)`