(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
সুতরাং, x = y
3 = x + 2y
or, x + 2x = 3
or, x = 1
∴ (x,y) = (1,1)