`I=int (x^2-2x+3)/4`dx

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

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

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

IfI_1=int_0^1 2^(x^2)dx ,I_2=int_0^1 2^(x^3)dx ,I_3=int_1^2 2^(x^2)dx ,I_4=int_1^2 2^(x^3)dx , then which of the following is/are true?

Evaluate: (i) int1/(4x^2-4x+3)\ dx (ii) int1/(x^2+4x+8)\ (iii) int1/(9x^2+6x+10)

Evaluate: (i) int1/(a^2\ x^2-b^2)\ dx (ii) int(x^2-1)/(x^2+4)\ dx

Evaluate: (i) int1/(4x^2+12 x+5)\ dx (ii) int1/(x^2-10 x+34)\ dx

Evaluate: (i) int1/(4x^2+12 x+5)\ dx (ii) int1/(x^2-10 x+34)\ dx

(3) I=int(x)/(2x^(2)+2x+3)dx

Evaluate: (i) int(sinx)/(1+cos^2x)\ dx (ii) int(2x^3)/(4+x^8)\ dx