Answer:
Don't have enough infromation to answer that.
Step-by-step explanation:
Answer:

Step-by-step explanation:
Method 1:
Arithmetic sequence is in the form

d is the common difference, can be found by:

Subtituting the
and 
You get:

Method 2 (Mathematical induction):
Assume it is in form 
Base step: 
Inducive hypophesis: 
GIven: 

Proved by mathematical induction

Answer:
gdfgdf
Step-by-step explanation:
Reflection, i am guessing