(2x-1) (x+3) = 2x (x+1) হলে, x = কত ?

(2x-1) (x+3) = 2x (x+1) হলে, x = কত ?

A 1

B 2

C 3

D -1

Solution

Correct Answer: Option A

(2x-1) (x+3) = 2x (x+1)

= 2x²+3.2x-x-3 = 2x² + 2x = 2x²+6x-x-3-2x²-2x = 0 = 3x-3 = 0 =3(x-1) = 0 x = 1