Consider the following statement :
I. `P(x_1, y_1)` and `Q (x_2, y_2)` are conjugate points with respect to the circle
` x^2 + y^2 + 2gx + 2fy + c= 0 ` then
`x_1 x_2 + y_1y_2 + g ( x_1 + x_2) + f ( y_1 + y_2) + c = 0`
II. The pole of the line x + y + 1 =0 with respect to the circle `x^2 + y^2 = 9` is (9.9).
Then, which one of the following is true?

Options

A. Both I and II are true
B. Neither I nor II is true
C. I is false and II is true
D. I is true and II is false

Answer

D