Solve for n

n³-1 = 27-1
A. ±3 B. 3 C. -3

3 answers

n³-1 = 27-1 simplifies to n³ = 26

Taking the cube root of both sides gives n = ∛26

Therefore, the solution for n is neither A, B, nor C.
n³-1 = 27-1
n³ = 27-1+1
n³ = 27-0

n³ = 27
n = 3√27
n = 3
The correct solution is B. n = 3