Question

(i) (2a-3 b2)3

plz give me the answer step by step.​

Answer 1

Answer:

(a - b)^3 = a^3 - a2b - 2a^2b + 2ab^2 + ab^2 - b^3.

By using this formula uh can get ur answer .

I hope my answer is helpful for you ✌️☺️

Answer 2

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★Question

(2a-3 b2)3

★Solution

Factoring: 2a3-b2

Theory : A difference of two perfect cubes, a3 - b3 can be factored into

(a-b) • (a2 +ab +b2)

Proof : (a-b)•(a2+ab+b2)

a3+a2b+ab2-ba2-b2a-b3

a3+(a2b-ba2)+(ab2-b2a)-b3

a3+0+0+b3

a3+b3

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