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If x+1 is a factor of x^31 +2x^20- k ,find k |
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Answer» Step-by-step explanation: LET, x=-1,then (-1)^31+2(1)^20-k -31+2^20-k=0 -31+40-k=0 -31+40=I k=9 I HOPE this answer HELPS you |
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