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Mathematics 14 Online
OpenStudy (anonymous):

suppose ab = ac for some 'a' not equal to 0. Is it necessarily true that b = c?

OpenStudy (katrinakaif):

No because multiplying a with b and a with c would give you a product of zero in either side of the equation.

OpenStudy (zarkon):

are a,b,c real numbers?

OpenStudy (anonymous):

yes, they are all real numbers.

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