Question

n^2 =sum of first n....... natural number​

Answer 1

Step-by-step explanation:

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Answer 2

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SUM OF FIRST N NATURAL NUMBER IS :-

Sn=n/2[2a+(n-1)d]

here ,l=last term,a=first term,n=no. of terms

Another formula is : Sn=n/2(a+l)

same here l=last term,a=first term,n=no.of term

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