Question

3. If x + y = 8, what is the value of x3 + y3 + 24xy?​

Answer 1

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Answer 2

Answer:

We have

(x+y)>3=(8)>3

By using formula:

(a+b)>3=a>3+b>3+3ab(a+b)

Where,

A=x and b = y

= (x) >3+y>3+3xy(8)=128

=x>3+y>3+2xy=128

ANSWER...