`int_(0)^(4)(x^3dx)/(sqrt(x^2+9))`

int_(0)^(4)(dx)/(x+sqrt(x))

int_(0)^(4)(dx)/(sqrt(4-x))

int_(0)^(9)(dx)/(1+sqrt(x))

int_(0)^(2)(dx)/(x+sqrt(4-x^(2)))

int_(4)^(9)(dx)/(sqrt(x^(3)))

int_(4)^(9)(dx)/(sqrt(x^(3)))

Evaluate the following definite integrals Let int_(0)^(1)(dx)/(sqrt(16+9x^(2)))+int_(0)^(2)(dx)/(sqrt(9+4x^(2)))=ln a

int_(0)^(1)(dx)/((x+sqrt(x^(2)+1))^(3))=

int_(0)^(1)x^(3)sqrt(1-x^(2))dx=

int_(0)^(1)x^(3)sqrt(1-x^(2))dx=