Math, asked by srishti165, 1 year ago

A+b=10,ab=21 find a³+b³

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shadowsabers03: 370 is the answer.
shadowsabers03: a = 7. b = 3.
shadowsabers03: You had written x + b in the paper. Correct it as a + b.

Answers

Answered by raj981
6
sorry for some errors..... but the answer is 370
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Answered by TechnoSwayam
24
a³+b³= (a +b)³ - 3ab(a+b)
= (10)³ - 3×21(10)
= 1000 - 63(10)
= 1000 - 630
= 370
Hence, 370 is the required value....

TechnoSwayam: plz vote if liked
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