`int_1^2 (5x^2)/(x^2+4x+3) dx`

Evaluate the following integrals: int_1^2 (4x^3-5x^2+6x+9) dx

Evaluate the following: underset(1)overset(2)int(5x^2)/(x^2+4x+3)dx

int (x^3+5x^2+4)/x^2 dx=

Evaluate: int (x^3+5x^2+4x+1)/(x^2) dx

int (x^3 + 5x^2 - 4)/(x^3) dx

Evaluate the following integrals. (i) int 1/((x - 2)^2 + 1)dx " " (ii) int (x^2)/(x^2 + 5)dx " " (iii) int 1/(sqrt(1 + 4x)^2)dx

int(x^3 + 5x^2 - 4)/(x^2) dx .

int_1^2(x^3+4x+5)dx

int(5x^2)/((x+1)(x^2+4))dx=

Evaluate the definite integrals int_1^2(4x^3-5x^2+6x+9)dx