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Mathematics 16 Online
OpenStudy (anonymous):

find sum of evens from 2 to 100

OpenStudy (anonymous):

25(2+100)

OpenStudy (anonymous):

d=2

OpenStudy (anonymous):

now use the formula

myininaya (myininaya):

\[\sum_{i=1}^{50}2i=2\sum_{i=1}^{50}i=2*\frac{50(50+1)}{2}\]

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