Nếu ${z^2-2(m+1) z+m^2=0}$ thì $\int\limits_{0}^{3}{3f(x)dx}$ bằng 36 . 12 . 3 . 4 .

Nếu ${z^2-2(m+1) z+m^2=0}$ thì $\int\limits_{0}^{3}{3f(x)dx}$ bằng
36 .
12 .
3 .
4 .
 

Lê Vân Thanh

New member
Ta có: ${\int_0^3 3 f(x) {d} x=3 \int_0^3 f(x) {d} x=12}$.