Question

3. Write the following cubes in the expanded form:

(i) (3a + 4b)3

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Answer 1

Answer:

ans is 27a³ +64b³

I hope this would be helpful to you

Answer 2

Answer:

(3a + 4b)^3

(3a)^3 +(4b)^3+[(3×3a×4b)(3a+4b)]

9a^3 + 64b^3 +[36ab(3a+4b)]

9a^3 + 64b^3 + 108ba^2 +144ab^2