f:A to B and g:B to C are bijections. We have to show that gof: A to C is also a bijection.
Link for playlist of Functions Theorems:
https://www.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
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