Question

9. if a=4and b=5,find the value of A3+b3-3a2b+3ab2
pls give me correct answer.​

Answer 1

Answer:

-1

Step-by-step explanation:

Since we know that a³+b³-3a²b+3ab²=(a-b)³

Given, a=4 and b=5

so that, (4-5)³=(-1)³= -1

Answer 2

this is a property of (a - b)^3

= (4-5)^3

=(-1)^3

= -1