What are Injective, Surjective & Bijective Functions? - Dr Douglas K. Boah (Shamalaa Jnr/Archimedes)

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MATHEMATICS TUTORIAL FOR STUDENTS AT THE SECONDARY AND TERTIARY LEVELS.
  1. Prof Shamalaa Jnr (PhD)
  2. Shamalaa
  3. Jnr/Archimedes
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Комментарии
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Very proud of you Sir.
I'm a class of 2017.

owusuagyeikingsley
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Sir i honestly love your videos. You give so many good examples and i really appreciate this help!

Awsomecord
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The second solution worked is wrong. Because we were just give x>0 . Not to use it at the end. Since we got two values being a=b and a=-b . The function is not injective

temomatutu
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The Surjective and the Bijective part is not clear

testimonyayomikun
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Sir thanks for the lecture. But sir I'm still confused; are you saying an injective function is the same as a bijective function?

k.e.l.obeats