Algebrahard · Past Paper
Find k if x+1 is a factor of x^10 + k.
A1
B-1
C0
D10
✓ Correct Answer: B — -1
P(-1) = 0 => (-1)^10 + k = 0 => 1 + k = 0 => k = -1.
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✓ Correct Answer: B — -1
P(-1) = 0 => (-1)^10 + k = 0 => 1 + k = 0 => k = -1.
Share this question