Math, asked by tazerwings2006, 8 months ago

(a + b)^3 - (a - b)^3

Answers

Answered by MouryaGhosh
1

4ab²+2a²b is the answer

Answered by sireesha020283
0

Answer:

Step-by-step explanation:

(

a

+

b

)

3

(

a

b

)

3

=

(

a

3

+

3

a

2

b

+

3

a

b

2

+

b

3

)

(

a

3

3

a

2

b

+

3

a

b

2

b

3

)

=

6

a

2

b

+

2

b

3

=

2

b

(

3

a

2

+

b

2

)

If you are allowed complex coefficients this can be broken down into linear factors:

=

2

b

(

3

a

+

i

b

)

(

3

a

i

b

)

Notice also that:

(

a

+

b

)

3

+

(

a

b

)

3

=

(

b

+

a

)

3

(

b

a

)

3

=

2

a

(

3

b

2

+

a

2

)

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