How does SN (1-r) = 1-√²+1 What are the operational rules of subscripts?
Chapter8: Sequences, Series,and Probability
Section: Chapter Questions
Problem 12T: Expand 3(x2)5+4(x2)3 by using Pascal’s Triangle to determine the coefficients.
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Transcribed Image Text:How does
r
S₁ (1-r) = 1-p~ +1
What are the operational rules
of subscripts?
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I get the meaning of subscripts much better now, but I don't see how Sn(1-r) = 1- r^(n+1)..... unless we are just assuming they are equal.
Can it be proven with a show of balancing each side (like dividing both sides by (1-r)) and getting r = r?
What is the proper way to prove this?
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