Question

If (a,b) = (a,c) then

(A) a = b ≠ c
(B) b = c ≠ a
(C) a = b = c
(D) a ≠ b = c

Need explaination please.​

Answer 1

Answer:

(B) b= c≠a

a≠b----(1)

a≠c----(2)

b=c ----(3)

on comparison we get :

b=c≠a