规定a*b=ab+b的2次方-b/a,求(-4)*6的值是多少
问题描述:
规定a*b=ab+b的2次方-b/a,求(-4)*6的值是多少
答
依规定:a*b=ab+b²-b/a,
得(-4)*6=(-4) ×6+6²-6/(-4)
=-24+36+3/2
=12+3/2
=27/2.