Justify:
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Recall the . Then note that
Originally Posted by qzno Justify: Since and so subtracting the first from the second and adding n gives your answer. (Too slow :-))
Originally Posted by danny arrigo Since and If you subtracted it wouldn't you get: That's not what it says : (
Now try it again.
Originally Posted by qzno If you subtracted it wouldn't you get: That's not what it says : ( yes but Originally Posted by danny arrigo Since and so subtracting the first from the second and adding n gives your answer. (Too slow :-)) We need the extra part - adding
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