Brainliest and five stars to correct answer
Find an equation for the nth term of a geometric sequence where the second and fifth terms are -21 and 567, respectively.
Answer Choices
A: an = 7 • (-3)n + 1
B: an = 7 • 3n - 1
C: an = 7 • (-3)n - 1
D: an = 7 • 3n