(x-y,4)=(4,x+3y) হলে (x,y) এর মান কত?

A (6,2)

B (3,1)

C (5,1)

D (4,0)

Correct Answer: Option D

here, x-y=4 …..(i) x+3y= 4….(ii) by doing (i)-(ii), x-y-x-3y = 4-4 or,-4y =0 or y=0/4 or,y=0 so, x-y=4 or,x=4+0 so,x=4