Question

what is the co-efficient of X in (2.X+3)2?

Answer 1

Expanding the expression (2.X+3)2 using the formula (a+b)2 = a2 + 2ab + b2, we get:

(2.X+3)2 = (2.X)2 + 2(2.X)(3) + 32
= 4X2 + 12X + 9

The coefficient of X in this expression is 12.