Math, asked by anveshasingh2310, 1 month ago

find a cube plus b cube if a + b equal to 6 and AB equal to 8.​

Answers

Answered by saiaksharavadla
1

Answer:

Answer

We know that a+b=6 and ab=8. Using (a+b)

2

=a

2

+b

2

+2ab, we can find a

2

+b

2

by

a

2

+b

2

=(a+b)

2

−2ab=6

2

−2×8=36−16=20

Now we use

a

3

+b

3

=(a+b)(a

2

+b

2

−ab)=6×(20−8)=6×12=72

Answered by ganu2012
0

Answer:

2 a and 4 b .

Step-by-step explanation:

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