Question

(3 – 4ab)^3 expansion

Answer 1

Step-by-step explanation:

That is in a form of

(A-B)³= A³-B³-3A²B+3AB²

here a=3,,,,b=4ab

=> 3³-(4ab)³-3•3²•4ab+3•3•(4ab)²

=>27-64a³b³-108ab+144a²b²

this is the final expansion

Answer 2

Answer:

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