Question: Let us prove this formula: S= i=0 n b i = 1- b n+1 1-b Try this expression with b = 2 and n =
Let us prove this formula:
S=i=0nbi=1-bn+11-b
- Try this expression with b = 2 and n = 4. Find S using the two expressions (the sum and the fraction).
- Let us prove this expression using induction
- Show the base (basis) case
- Show the induction step by answering these questions:
- What is your hypothesis to use for the induction step?
- Now, complete the induction step
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