expand (2p - 1/2p) cube
Answers
Answered by
8
Answer:
(51/8)p3-3p
Or (27/8)p3
Step-by-step explanation:
For Answer 1
(2p-1/2p)(2p-1/2p)(2p-1/2p)
=(4p2-2*2*1/2+1/4p2)(2p-1/2p)
=(4p2-2+1/4p2)(2p-1/2p)
=8p3-4p+1/2p3-2p3+1p-1/8p3
=6p3+(3/8)p3-3p
=((48+3)/8)p3-3p
=(51/8)p3-3p
For answer 2
(2p-(1/2)p)^3
=(((4-1)/2)p)^3
=((3/2)p)^3
=(27/8)p^3
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