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What is the sum of the infinite geometric series 1 + 1/3 + 1/9 +1/27 ...?

An infinite geometric series is of the form a*(1 + b + b^2 + b^3 ...) To find the sum of all the terms in this series we consider the sum, S, where: S= 1 + b + b^2 + b^3 ... + b^n where n is some finite inte...
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Answered by Ryan T. • Maths tutor
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Does a foetus have a right to life?

The issue of the right to life of the human foetus is a very controversial one, and different Christian groups and communities take different ethical positions, which also take into account different views o...
JC
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How should I be using literary criticism?

Literary criticism, according to the Oxford English Dictionary is the 'practice of judging and commenting on the qualities and character of a literary work'; by this, in your role as a someone studying Engli...
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Answered by Rose C. • English tutor
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Faced with a poem, I often feel like I do not understand it and thus cannot enjoy it fully. Are there ways to 'understand' poetry more fully?

Every student of literature will come up against textual difficulty at some point in their studies, particularly when faced with notoriously difficult poets such as T.S Eliot or Ezra Pound. The experience of...
TD
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How many moles of carbon dioxide is produced when 73.6 g of ethanol is burned completely in oxygen?

Write down the formula of ethanol: CH 3 CH 2 OH . Then the reaction equation: CH 3 CH 2 OH + 3O 2 ----> 2 CO 2 + 3H 2 O Calculate the molar mass of ethanol, which is 46.0 g mol -1 . Then calculate the num...
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Answered by Jinyi X. • Chemistry tutor
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