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Examine the sequence 1 + 1/3 + (1/3)^2 + … + (1/3)^n Under what condition does it converge? What does it converge to?

This is a sequence in the form 1 + c + c 2 + … c n 1 + c + c 2 + … c n * (1 - c) = 1 – c n+1 So we can rewrite the sequence as 1 – c n+1 / 1 - c Which is the same as 1 / 1 – c – c n+1 / 1 - c Since 0 <= c...
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Answered by Hanaan Y. • Maths tutor
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The weaknesses of the Religious Experience argument could lead to its rejection. Discuss (12m)

The psychological challenge offers a questionable argument against the Religious Experience argument. Hobbes said, ‘when a man tells me he has seen God in a dream, he is telling me that he has dreamt he has ...
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How do you analyse a primary source?

The easiest way to analyse a primary source (a source from the time period you are studying) is to remember the 4 Ws: WHAT: What type of source is this? A letter, a picture, a diary entry? WHEN: When was it ...
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Answered by Jennie S. • History tutor
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What is "Umgangssprache"?

Like in English, there is big difference between written German and spoken German. Umgangssprache means common speech, and if you visit Germany or are going on an exchange and want to sound more natural when...
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Answered by Jennie S. • German tutor
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Explain why graphite is able to conduct electrcity and diamond is not

Carbon in graphite has three bonds, where as the carbon atoms in diamond form four bonds to one another. As carbon has 4 electrons in its outer shell, this means graphite has one free electron which is able ...
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Answered by Qasim J. • Chemistry tutor
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