JEE Advance - Mathematics (1992 - No. 5)
$${\rm{z }} \ne {\rm{0}}$$ is a complex number
(A) Re z = 0
(B) Arg $$z = {\pi \over 4}$$
(p) Re$${z^2}$$ = 0
(q) Im$${z^2}$$ = 0
(r) Re$${z^2}$$ = Im$${z^2}$$
Column I
(A) Re z = 0
(B) Arg $$z = {\pi \over 4}$$
Column II
(p) Re$${z^2}$$ = 0
(q) Im$${z^2}$$ = 0
(r) Re$${z^2}$$ = Im$${z^2}$$
(A) - q, (B) - p
(A) - p, (B) - q
(A) - r, (B) - p
(A) - p, (B) - r