Choose the correct alternative.the parametric equations of the circle `x^2+y^2+mx+my=0` are

Options

A. `x=(-m)/(2)+(m)/(sqrt(2)) cos theta, y =(-m)/(2) +(m)/(sqrt(2)) sin theta`
B. `x=(-m)/(2)+(m)/(sqrt(2)) cos theta, y =(+m)/(2)+(m)/(sqrt(2)) sin theta`
C. `x=0, y=0`
D. `x= m cos theta , y = m sin theta`

Answer

A