Question

if 2x^2+x+a is divided by (x-3) leaves the remainder is 1 then find the value of a

Answer 1

Answer:

a = -20.

I hope this will help you.

Answer 2

Answer:

Step-by-step explanation:

Let p ( x ) = 2x² + x + a = 1

If p ( x ) is divided by ( x - 3 ),then x -3 = 0 ⇒ x = 3

∴ p ( 3 ) = 2 ( 3 )² + 3 + a = 1

⇒ 2 ( 9 ) + 3 + a = 1

⇒ 18 + 3 + a = 1

⇒ 21 + a = 1

⇒ a = 1 - 21 = - 20

∴ The value of a = - 20 is the answer.