x=2代入多項(xiàng)式得:
32a+8b+2c+1=2011
得:32a+8b+2c=2010
把x=-2代入多項(xiàng)式,得:
原式=-32a-8b-2c+1=1-(32a+8b+2c)=1-2010=-2009
所以,x=-2時(shí),這個(gè)多項(xiàng)式的值為-2009
已知當(dāng)x=2時(shí),多項(xiàng)式ax的五次方+bx的三次方+cx+1的值為2011,那么當(dāng)x=-2時(shí),這個(gè)多項(xiàng)式的值為多少?
已知當(dāng)x=2時(shí),多項(xiàng)式ax的五次方+bx的三次方+cx+1的值為2011,那么當(dāng)x=-2時(shí),這個(gè)多項(xiàng)式的值為多少?
數(shù)學(xué)人氣:350 ℃時(shí)間:2020-05-25 06:31:11
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