3 years ago

Find an explicit rule for the nth term of the arithmetic sequence

1 answer:

4 0

A(n)=a*r^n-1

n=term umber

A(n)= nth term

a=first term

r=common ratio

example: A(n)=a*r^n-1

r=4 a=2 n=9
A(9)=2*4^9-1
A(9)=2*4^8
A(9)=2*65,536

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