f(x) = $\ln (2x)$ হলে—
i. f'(x) = $\frac{1}{x}$
ii. $\int f(x) \, dx = x (\ln |2x| - 1) + c$
iii. $\int_{1}^{2} f(x) \, dx = \frac{1}{2} - \ln 2$
নিচের কোনটি সঠিক?
i. f'(x) = $\frac{1}{x}$
ii. $\int f(x) \, dx = x (\ln |2x| - 1) + c$
iii. $\int_{1}^{2} f(x) \, dx = \frac{1}{2} - \ln 2$
নিচের কোনটি সঠিক?
Dhaka • 2023