Sequences and Series Flashcards
1
Q
How do you solve a problem with an alternating neg and pos number
A
have the number * neg^n
2
Q
how do you solve a problem with an alternating pos and neg number
A
have the number * neg^n-1
3
Q
how do you solve the sum of something given everything
A
plug in each number until you reach the number on top and add them
4
Q
parts of the sigma
A
top: upper limit
bottom: lower limit
right side: formula
5
Q
infinite sum what is r?
A
the thing attached to the lower limit
6
Q
what do you get when you use the thing similar to slope
A
d
7
Q
partial aithmetic sum
A
nothing is raised to a power
n=the upper limit
8
Q
how to solve a geometric with two a’s
A
make the higher a = the lower a times the r to the power that when they add equals the higher a
9
Q
A
