find the sum of first n terms of the series
1+(1+2)+(1+2+3)+(1+2+3+4)+......
insanesoul25:
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1
here is your answer...
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yesss
but its not like that..
can u send me the real photo of the question..
my sir gave me this Q and that we have to take n as i said
then my answer is r8...
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and sorry for that confusion
hmm...
its Okk..
Answered by
3
In these type of series you first need to find the nth term.
So here it will be.... 1+(1+2)+(1+2+3).............(1+2+3+4+5+6+7........x).
Now Sum of nth term is sumation of Sn.
Hope this will help you
So here it will be.... 1+(1+2)+(1+2+3).............(1+2+3+4+5+6+7........x).
Now Sum of nth term is sumation of Sn.
Hope this will help you
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