Practicing Success
Practicing Success
CUET Preparation Today
If $\int e^x(\tan x-\log \cos x)dx=f(x)\log \sec x+c$, then range of f(x) is: |
R R - {0} R+ None |
R+ |
$\int e^x(\tan x-\log \cos x)=-e^x\log\cos x+c=e^x\log\sec x+c$ ⇒ ex has range R+ |
