Mathematical induction

cired2002

New member
Joined
Aug 26, 2017
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25
Hello.i dont know how to get from the one that i have to the one in the mark scheme (the one circled in red). The blue one i understand how to change it cox you assumed n=k is true but the red one i really dont know how
 

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Why have you posted totally unreadable images?
If you do want help learn to post in readable formats.
 
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