Question

5) If ( X-2) is a factor of the polynomial ( 2x^2 +X +K),find K a) 10 b) -10 c) -12 d) 12​

Answer 1

Answer:

12 is answer

Step-by-step explanation:

Since x+1 is a factor of the above polynomial, p(−1)=0.

∴2 × (−1) 2 + k (−1) =0

∴ 2−k =0

∴k = 12.