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Top Questions

What is the origin of the determinant in linear algebra?

linear-algebra matrices determinant asked Sep 12 '12 at 7:10

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How do I build a computer with a Z80 microprocessor?

microprocessor z80 asked Mar 24 '12 at 17:49

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Using the unit circle to prove the double angle formulas for sine and cosine?

trigonometry asked Apr 25 '12 at 12:54

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How can the capacitor be connected in reverse polarity?

capacitor ac polarity asked Feb 20 '12 at 13:00

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If in a group G an element $x$ has the property such that $x^2 = e$, does that entail $x = e$?

abstract-algebra group-theory asked Feb 27 '13 at 10:09

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What is the most elegant and simple proof for the law of cosines?

trigonometry asked Apr 25 '12 at 12:44

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Why doesn't my transistor audio amplifier work?

amplifier asked Mar 6 '12 at 12:10

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