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Find the sum of AP 2,7,12........to …

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Find the sum of AP 2,7,12........to 10 terms

Posted by Dipesh Mishra 7 years, 3 months ago

CBSE > Class 10 > Mathematics

3 answers

Supriya Tiwari 7 years, 3 months ago

a=2 d= 5 S10=10/2[4+9*5] = 5(4+45) =5*49 = 245

Rajesh Kumar Saw 7 years, 3 months ago

245

Divyansh Sharma 7 years, 3 months ago

245

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