issgisvDerryAb issgisvDerryAb

31-10-2015
Mathematics

contestada

How to justify a/b x b/c = a/c?

Respuesta :

31-10-2015

well a/b * b/c = ab/bc, and since b/b= 1 you get 1a/c or just a/c :)

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davidyangnyc davidyangnyc

31-10-2015

a/b times b/c is = ab/bc
which can be written as a/c times b/b
anything over itself is 1 so b/b is one
a/b times b/c = a/c

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