Answer the following questions: Evaluate `int2xf(x^2) dx`.

Evaluate int tan (-x) dx.

Evaluate int_(0)^(1) [x] dx.

Evaluate int e^(x) cos x dx

Answer the following questions: If 2^x=3^y , then find (dy)/(dx) .

Evaluate int e^(sqrt(x))dx.

Answer the following questions: Find the order and degree of the differential equation (d^2y)/(dx^2)-7((dy)/(dx))^3+6y=0