4q(1-p)的三次方+2(p-1)平方 10(a-b)²-5(b-a)的三次方
问题描述:
4q(1-p)的三次方+2(p-1)平方 10(a-b)²-5(b-a)的三次方
答
4q(1-p)³+2(p-1)²
=4q(1-p)³+2(1-p)²
=2(1-p)²[2q(1-p)+1]
=2(1-p)²(2q-2pq+1)
10(a-b)²-5(b-a)³
=10(a-b)²+5(a-b)³
=5(a-b)²[2+(a-b)]
=5(a-b)²(a-b+2)