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If a ^(3) + b ^(3) + c ^(3) - 3abc = 250...

If `a ^(3) + b ^(3) + c ^(3) - 3abc = 250 and a + b + c = 10,` then what is the value of `ab + bc + ca` ?

A

A)20

B

B)25

C

C)24

D

D)15

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The correct Answer is:
B
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