Question

Any point on the line y=x is of the form ----- *
(A) (a, a)
(B) (0, a)
(C) (a, 0)
(D) (a,-a)​

Answer 1

Answer:

(a,a)

The given equation is x=y

So, if x=1⇒y=1

If x=−5⇒y=−5

If x=0⇒y=0

∴ By induction x=a⇒y=a

So, any point P on the line x=y will be of the form P(a,a)