问题标题:
sat数学level2题一道theremainderobtainedwhen3x4+7x3+8X2-2x-3isdividedbyX+1IS__?a-3B0C3D5E13
问题描述:
sat数学level2题一道
theremainderobtainedwhen3x4+7x3+8X2-2x-3isdividedbyX+1IS__?
a-3
B0
C3
D5
E13
何培杰回答:
将x=-1代入3xˆ4+7x³+8X²-2x-3
得3-7+8+2-3=3
所以theremainderobtainedwhen3x4+7x3+8X2-2x-3isdividedbyX+1IS_C_
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