Question

if a-b = 9, ab= 10, find a³-b³​

Answer 1

Answer:

999

Step-by-step explanation:

a-b=9

10-1=9

ab=10

10×1=10

formula

a³-b³=(a-b)(a²+ab+b²)

Answer 2

Answer:

999

Step-by-step explanation:

Explanation is given in the above image...

hope it helps, thank you