Question

if a+b=10,ab=3 find a³+b³​

Answer 1

To find-

• a³+b³

Given-

• a+b= 10
• ab= 3

Identity-

(a+b)³=. a³+b³+ 3ab(a+b)

(a+b)³-3ab(a+b). = a³+b³

( 10)³- 3(3)(10)= a³+b³

1000- 90= a³+b³

910= a³+b³

910 is your answer ❣️