The value of the integral `int_(0)^(3) (x^(2)+1)d[x]` is, where[*] is the greatest integer function

The value of the integral int_(0)^(0.9) [x-2[x]] dx , where [.] denotes the greatest integer function, is

The value of the integral int_(0)^(0.9) [x-2[x]] dx , where [.] denotes the greatest integer function, is

The value of int_(0)^(sqrt(2)) [ x^(2)] dx where [*] is the greatest integer function

Evaluate int_(0)^(1.5) x[x^2] dx , where [.] denotes the greatest integer function

Evaluate: int_(0)^(2)[x^(2)-x+1]dx, where [.] denotos the greatest integer function.

Evaluate int_(0)^(oo)[(3)/(x^(2)+1)]dx where [.] denotes the greatest integer function.

Evaluate int_(0)^(oo)[(3)/(x^(2)+1)]dx where [.] denotes the greatest integer function.