Question

if x+y × x-y then show that x³+y³ × xy (x+y)​

Answer 1

Answer:

Consider the following question.

x

3

+y

3

=(x+y)(x

2

+y

2

−xy)

We know that,

(x+y)

3

=x

3

+y

3

+3xy(x+y)

x

3

+y

3

=(x+y)

3

−3xy(x+y)

=(x+y)(x

2

+y

2

+2xy−3xy)

=(x+y)(x

2

+y

2

−xy)

Hence, this is the required answer

Step-by-step explanation:

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