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Some problems on Progressions....

1) Show that m^r , r>=2 can be represented as sum of m consecutive odd integers for any m

2)given sequence a(n).Find sum till N terms if

na(n+1) = (n+1)a(n)*(1+nx)

3)if k is odd prove


is divisible by n(n+1)/2 for any n

Note by Incredible Mind
1 year, 9 months ago

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