#### MathematicalPhysicist

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in the next link there is an article about quantum geometry:http://www.maths.qmw.ac.uk/~majid/qgeom.html [Broken]

i would like to know how was the second equation derived?:

f'(x)=f(x)-f(qx)/(1-q)x.

i would like to know how was the second equation derived?:

f'(x)=f(x)-f(qx)/(1-q)x.

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