Tuesday, 15 January 2013

Sometimes the Graders Don't Notice the Seam.

And sometimes they get annoyed and cross the whole thing off.

From xkcd (Did I mention I was addicted?)
ALT TEXT: Handy exam trick: when you know the answer but not the correct derivation, derive blindly forward from the givens and backward from the answer, and join the chains once the equations start looking similar. Sometimes the graders don't notice the seam.

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