Question

if a=2 and b=3, find the value of a³- b³​

Answer 1

Step-by-step explanation:

a³=2³=8

b³=3³=27

a³-b³

=8-27

=-19

Second method:

a³-b³

=(a-b)(a²+b²+ab)

=(2-3)(4+9+6)

=-19

Answer 2

Answer:

Given , a = 2 , b = 3

a

a³ -b³ = (2)³-(3)³

= 8 - 27

= -19

-19 is the answer.