Question

Will give medal: If a1 = 2 and An = 3a n - 1 + 1, then what is a3? I thought it may be An = 3(2) 3 - 1 but I don't know ; -;

Thanks!

Answer 1

what grade question is this ?

Answer 2

8th-9th

Answer 3

but I suck at math so lol

Answer 4

typo .. a1=2 etc

Answer 5

a1 = 2 and An = 3a n - 1 + 1, then what is a3?

its just about following the rule

a1 = 2
a2 = 3(a1) + 1
a3 = 3(a2)+1 = 3[3(a1) + 1] + 1

thats better :)

Answer 6

Thank you :)

Answer 7

yep