Question

. If x^3 + 5x^2 + 10 K leaves remainder - 2x when di-
vided by x^
2 + 2, then what is the value of K?​

Answer 1

Answer:

x

3

+5x

2

+10k

=(x

2

+2)(x+5)+10k−2x−10

⇒10k−2x−10=−2x

⇒10k−10=0 or k=1.

Answer 2

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