Since it is a geometric sequence each term will be a specific multiple of the term preceding it, called the common ratio...
126/42=378/126=1134/378=3
The sequence is a(n)=a(3)^(n-1) and we know the second term is 42 so:
42=a(3)^(2-1)
42=3a
a=14
So the first term is 14.
H = -2r + s/πr
C = 3A-a-b
If you need step by step comment
Answer:
-1
Step-by-step explanation:
<3 i hope it helped if it didnt its doesnt matter
The first one is the correct answer
