Maths 1A Functions Theorem 3 Explanation

f:A to B is a bijection and two equalities need to be proved. fof^(-1)=Ib, f^(-1)of=Ia (f^(-1))o(g^(-1)). The above equalities are proved if it is given that f is a bijection. For more Theorems of Functions: https://youtube.com/playlist?list=PLxMil6gjB3b2S5csyZzjg7JPXCx9kdBYz Maths 1A Important 7 Marks Questions Playlist: https://www.youtube.com/playlist?list=PLxMil6gjB3b20Ju6p1ziL0RKQPS_QbNOL Maths 1A Mathematical Induction Questions: https://youtube.com/playlist?list=PLxMil6gjB3b0xJwL5MCtXo7F8mmWiiFUS Maths 1A Trigonometry Important LAQ: https://youtube.com/playlist?list=PLxMil6gjB3b1fGEYUUDkSl2mbj8Bm8ncU Maths 1B Pair of Straight Lines LAQ: https://youtube.com/playlist?list=PLxMil6gjB3b2qH2beiGl5aKIEpoY5Szxu Maths 1B Locus Questions: https://youtube.com/playlist?list=PLxMil6gjB3b1YP0TS5eyknCnDOOw49mM8 #functions #theorem #maths1a #functionstheorem #important #importantquestion #inter1styear #inter1styearmaths #class11 #compositefunction #compositefunctions #inversefunction #intermediatemaths