Question

Integrating factor of linear differential equation `x (dy)/(dx) + 2y =x^2 log x` is ____________

पर्याय

• `1/x^2`

• `1/x`

• `x`

• `x^2`

Answer 1

`x^2`

`(dy)/(dx) + (2y)/x = xlog x`

`P = 2/x`

`I.F = e^(int2/x dx) = e^(2log x) = x^2`