Shared Flashcard Set

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Formulas
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7
Mathematics
11th Grade
09/06/2013

Additional Mathematics Flashcards

 


 

Cards

Term
Arithmetic Sequence Recursive Form
Definition

un=un-1+d


 

d is the common difference

Term
Arithmetic Sequence Explicit Form
Definition

un=u1+(n-1)d


 

d is the common difference

Term

Arithmetic Partial Sum

(u1 and uk are given)

Definition

k                           

∑   un=k/2(u1+uk)

n=1                           

Term

Arithmetic Partial Sum

(u1 and d are given)

Definition

k                                    

∑   un=ku1+[k(k-1)/2]d

n=1                                 


 

d is common difference

Term
Geometric Sequence Recursive Form
Definition

un=run-1


 

r is the common ratio

Term
Geometric Sequence Explicit Form
Definition

un=u1rn-1


 

r is the common ratio

Term
Geometric Partial Sum
Definition

k                                 

∑   un=u1[(1-rk)/(1-r)]

n=1                                  


r is the common ratio

 

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