4a2 + 11a + 6 = 0 হলে, ‍a =?

4a²+ 11a + 6 = 0 হলে, ‍a =?

A -2

B -3/4

C 2

D ক ও খ

Correct Answer: Option D

দেয়া আছে, 4a²+ 11a + 6 = 0
⇒ 4a² + 8a + 3a + 6 = 0
⇒ 4a(a+2) + 3 (a + 2) = 0
⇒ (a + 2) (4a + 3) = 0
অর্থাৎ a = - 2

∴ a = -3/4