Answers

The Brainliest Answer!
2015-09-20T15:45:10+05:30
Sn=(n/2)(2a +(n-1)d)

n=200
a=10
d=10

Sā‚‚ā‚€ā‚€=(200/2)(20+1990)
=>100(2010)
=>2,01,000




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