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Can u please help me?? It would be very helpful if u could write down the answer on a piece of paper(50pts)
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Mar 24, 2022
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Can u please help me??
It would be very helpful if u could write down the answer on a piece of paper(50pts)
Mathematics
high-school
Rajitha Siriwardena
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Answer:
Given GP:
tₙ = (1/3)ⁿ⁻¹
We see that:
t₁ = 1, r = 1/3
Sum of n terms:
Sₙ = t₁(1 - rⁿ)/(1 - r)
Sₙ = [1 - (1/3)ⁿ] / (1 - 1/3) = [1 - (1/3)ⁿ] / (2/3) = 3/2 [1 - (1/3)ⁿ]
Sₙ = 3/2 [1 - (1/3)ⁿ]
Starball
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Mar 29, 2022
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Starball
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