2 years ago

Find the 15th term of the geometric sequence 3,−12,48,.

Mathematics

2 answers:

mote1985 [20]2 years ago

8 0

F(x) = 3 * (-4)^n
f(15) = 3 * (-4)^15
f(15) = 3(-<span>1073741824)
f(15) = -</span><span>3 221 225 472</span>

SashulF [63]2 years ago

4 0

805306368
The answer is 3 x (-4)^14
So if odd it's negative 15 position has exponential of 14 because we start with 0

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