tcesni
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I need help getting started on using Mathematical Induction with this problem...
so what should i do first?
a + (a+d)+(a+2d)+...+[a+(n-1)d] = (n/2)[2a+(n-1)d]
so what should i do first?
a + (a+d)+(a+2d)+...+[a+(n-1)d] = (n/2)[2a+(n-1)d]