Find a12 in a geometric series for which a12 = 32 and r= -4
Hmmm. I'd say a12=32.
Maybe fix your typo and use the usual formula
an = ar^(n-1)
also, I think you meant geometric sequence, not series. The series is the sequence of partial sums,
Maybe fix your typo and use the usual formula
an = ar^(n-1)
also, I think you meant geometric sequence, not series. The series is the sequence of partial sums,