Given the geometric sequence:
12, 54, 243, ⋯
Find an explicit formula for
an, where the first term is
a1=12.
an=
Find
a10=
[more..]
Enter your answer as an expression. Example: 3x^2+1, x/5, (a+b)/c
Be sure your variables match those in the question
Enter your answer as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4)
Enter DNE for Does Not Exist, oo for Infinity