Question
If x100+2x99+k is divisible by (x+1), then the value of k is
Answer: Option A
:
A
Since (x+1) is a factor, x=−1will make the given expression zero.
∴(−1)100+2×(−1)99+k=0⇒1−2+k=0⇒k=1
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:
A
Since (x+1) is a factor, x=−1will make the given expression zero.
∴(−1)100+2×(−1)99+k=0⇒1−2+k=0⇒k=1
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