Question

find 5 he sum of all even numbers between 1to350​

Answer 1

Answer:

these numbers are :2,4,6,8.....350

Step-by-step explanation:

a=2

d=2

A n = 1=350

An =a+(n-1)

350=2+(n-1)2

n=175

S175 =175/2 (2+350) = n/2 (a+1)

175/2×352

30800

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