a)find som of nth term of the series 1+5+12+22+35..... B)find the sum of series 1+2sqr+3.3sqr+5.4sqr+7.5sqr+..nth term

Asked by abhishek abhi | 27th Nov, 2010, 05:15: PM

Expert Answer:

now find the values using formula for sum of squares of  first n natural numbers, sum of first n natural numbers etc..

Answered by  | 28th Nov, 2010, 10:30: AM

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