ABOUT SHEAR FACTOR(EXTENDED MATHS)

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wang52850981

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Why shear factor could be negative, it=distance/distance ,why negative?????? IN 2009O/N PAPER4 and are there any other negative transformation factors?
 
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Giraffe195

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It can be negative because the shape is shrinking. Your not increasing the size but your decreasing it so it has to be negative.
 
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