ab^2(a-ab) if a=1/2 and b=-1/3?

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(Please show your work because according to my book the answer is 1/27. Thank you!)

2006-09-24 15:52:04 · 2 answers · asked by Chelsey 5 in Education & Reference ➔ Homework Help

(1/2)(-1/3)^2(1/2-(1/2)(-1/3))
= (1/2)(1/9)(1/2-(-1/6))
= (1/18)(1/2+1/6)
= (1/18)(3/6+1/6)
= (1/18)(4/6)
= (1/18)(2/3)
= (1/9)(1/3)
=1/27

2006-09-24 16:06:51 · answer #1 · answered by Robert B 5 · 0⤊ 0⤋

(1/2*1/3)^2(1/2-1/2*1/3)

2006-09-24 23:02:40 · answer #2 · answered by alandicho 5 · 0⤊ 0⤋