Math, asked by mamathachowdhary23, 9 months ago

2.3+3.4+4.5+...upto n numbers =n(n^2+(n+1))/3​

Answers

Answered by theNautFui
0

Step-by-step explanation:

2.3+3.4+4.5+..upto n terms=n(n²+6n+11) /3

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