Answer:
C
Step-by-step explanation:
Answer:
see explanation
Step-by-step explanation:
These are the terms of a geometric sequence with n th term
= a
Where a is the first term and r the common ratio
r =
=
=
= 2
and a = 5, hence explicit equation is
= 5
Answer: a
Step-by-step explanation:
Answer:
1.1.2
=1
Step-by-step explanation:
x(7× +2)=1
7X2=14
14÷7
=1