f-R-R-R-such-that-f-x-iy-x-2-y-2-Then-f-is-a-many-one-and-into-function-b-one-one-and-onto-function-c-many-one-and-onto-function-d-one-one-and-into-function-

Question Number 26681 by Tanveer48 last updated on 28/Dec/17

f : R \times R \to R s u c h t h a t f (x + i y) = \sqrt{x^{2} + y^{2} .}

T h e n f i s

a) m a n y - o n e a n d i n t o f u n c t i o n

b) o n e - o n e a n d o n t o f u n c t i o n

c) m a n y - o n e a n d o n t o f u n c t i o n

d) o n e - o n e a n d i n t o f u n c t i o n

Commented by prakash jain last updated on 28/Dec/17

m a n y - o n e a s (2, 3) a n d (3, 2) m a p

t o s a m e v a l u e

i n t o a s n o p a i r o f (x, y) w i l l m a p

t o - v e v a l u e s .