find the cubes of the following (a) 2/3 (b) -5/6
with solving
Answers
Answered by
0
Step-by-step explanation:
(2a+3b)3=(2a)3+(3b)3+3×2a×3b(2a+3b)
=8a3+27b3+18ab(2a+3b)
=8a3+27b3+36a2b+54ab2
=8a3+36a2b+54ab2+27b3
Answered by
3
Answer:
(a) 2/3×2/3×2/3
= 8/27
(b) -5/6×-5/6×-5/6
= -125/256
Hope it helps
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