Question

8. If (x-1)^3=8, what is the value of (x+1)^2

Answer 1

Answer:

Given (x-1)^3=8

Or, (x-1)^3=(2)^3

Therefore (x-1)=2

Therefore x=2+1=3

To find value of (x+1)^2=?

Now, (x+1)^2=(3+1)^2=4^2=16