Question

49) / x^3 + 5x^2+10k leaves remainder - 2x when divided by
x²+2
then the of value of k is
​

Answer 1

Answer:

Step-by-step explanation:

(X^3+5x^2+10k)/(x^2+2) = x+5

(X^3+5x^2+10k)-[(X^2+2)(x+5)]= -2x+10k-10

Since remainder is -2x,

10k-10=0

k=1