(x-y, 3) = ( 0, x+2y) হলে (x,y) = কত ?

(x-y, 3) = ( 0, x+2y) হলে (x,y) = কত ?

A (1,1)

B (1, 3)

C (-1,-1)

D (-3, 1)

Solution

Correct Answer: Option A

x-y=0 -> x=y

Now, 3=x+2y

=> 3=3x

=> x=1

and y=1

(x,y)=(1,1)