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If a + b = 4 and ab = 3, then what is the value of $a^{3}+b^{3}$?

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If a + b = 4 and ab = 3, then what is the value of $a^{3}+b^{3}$?
1). 21
2). 17
3). 28
4). 31


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1 answers

1 vote
Answered by on | Votes 1 |
I think option 3 is the right answer

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