Question
Find the 12th term of the geometric sequence 5, -25, 125, ...5,−25,125,
Answers
kylie
Find the 12th term of the geometric sequence 5, -25, 125,
oobleck
no way that entire set of terms is a GP.
Taking just the 1st two terms, r = -5
So,
a12 = 5 * (-5)^11 = -5^12
Taking just the 1st two terms, r = -5
So,
a12 = 5 * (-5)^11 = -5^12
Joanne van niekerk
Find the 12th term of following.-1,2,5