Learning Mathematics for IIT JEE
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Friday, December 19, 2008
Properties of composition of functions
The composition of functions is not commutative fog ≠ gof.
The composition of functions is associative. If f,g, and h are functions such that (fog)oh and fo(goh) exist, then
(fog)oh = fo(goh)
The composition of two bijections is also a bijection.
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