Asked by eydie
Find 12th term of a geometric sequence whos first two terms are 4 and -8.
Answers
Answered by
Reiny
In your GS, first two terms are 4 and -8
so ....
a = 4 and
ar = -8 ---> r = -2
term(12) = ar^11 = 4(-2)^11 = .... , you do the arithmetic.
so ....
a = 4 and
ar = -8 ---> r = -2
term(12) = ar^11 = 4(-2)^11 = .... , you do the arithmetic.
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