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What is the value of this problem?

What is the value of this problem?
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What is the value of this problem?

What is the value of this problem?-example-1
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User Petr Hejda
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8.4k points

1 Answer

4 votes
Simplest way to solve this problem: substitute the value of i with 1,2,3 and then add all terms.

4*(1/2)¹⁻¹ + 4*(1/2)²⁻¹ + 4*(1/2)³⁻¹ = 4*1 +4*1/2 + 4*1/4= 4+2+1=7

Answer is 7.
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User Ralfy
by
7.5k points
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