# Can you help me arrive at the formula for the nth term of the series of 2^n in term of n

i.e I am looking for f such that f(5) = 2 + 4 + 8 + 16 + 32

Answers

S(n)=2^1+2^2+2^3+ + 2^n

13 June 2012

S(n)-2S(n)=2-2^(n+1)

13 June 2012

2S(n)=2^2+2^3+2^4+ +2^(n+1)

13 June 2012

Can you take it from here?

13 June 2012

Thank you

21 June 2012

All clear

21 June 2012

can you help me understand how to find the rate of change of this function

22 June 2012

can you help me to understand how to find the rate of change of this function y=(〖13x〗^2-90).ln(x). ?

22 June 2012

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