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1
Answer:
730 is ans
Explanation:
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Answered by
0
Answer:
a³ + b³ = 370
Explanation:
a + b = 10
ab = 21
Using identities,
( a + b )³ = a³ + b³ + 3ab ( a + b)
( 10 )³ = a³ + b³ + 3 x 21 ( 10 )
1000 = a³ + b³ + 63 x 10
1000 = a³ + b³ + 630
1000 - 630 = a³ + b³
370 = a³ + b³
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