Question

35.Writethefollowingcubesintheexpandedform:

(3a+4b)3
​

Answer 1

Answer:

27a³+64b³+108a²b+144ab²

Step-by-step explanation:

(3a+4b)³. [(a+b)³=a³+b³+3a²b+3ab²]

=(3a)³+(4b)³+3(3a)²(4b)+3(3a)(4b)²

=27a³+64b³+3(36a²b)+3(48ab²)

=27a³+64b³+108a²b+144ab²

Answer 2

( 3a + 4b )³ = (3a) ³ + ( 4b ) ³

27a + 64b ...

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