Question

if a/b + b/a=2 then a cube - b cube is equal to​

Answer 1

Answer:

Step-by-step explanation:

a  

3

+b  

3

=(a+b)(a  

2

+b  

2

−ab)

=(10)(a+b)  

2

−2ab−ab)

=(10)((10)  

2

−3(2))

=10(100−6)

=10(94)=940  

TRUST ME IT IS CORRECT

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Answer 2

Answer:

0

Step-by-step explanation:

a/b+b/a=2

take lcm

a²+b²/ab = 2

a²+ b²=2ab

a²+b²-2ab=0

(a-b)²=0

a-b=0

a³-b³=(a-b) (a²+b²+ab)

a³-b³=(0)(2ab+ab)

a³-b³=0

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