Show that .
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Originally Posted by Wizard2010 Show that . What have you tried? Have you hit it with induction yet?
Originally Posted by Swlabr What have you tried? Have you hit it with induction yet? I've actually realised that it's pretty easy. I've shown it (not by induction). Thanks.
Originally Posted by Wizard2010 Show that . , therefore So Put , to get . Thus
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