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Find the sum of the following …

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Find the sum of the following APs: (1) 2,7,12.....,10terms.

Posted by Anuragh Ghosh 4 years, 7 months ago

CBSE > Class 10 > Mathematics

3 answers

Tanvi @1201 4 years, 7 months ago

Sn=n/2[2a+(n-1)d] S10=10/2[2*2+(10-1)5] =5(4+45) =5(49) S10=245

Himanshi Agrawal 4 years, 7 months ago

245

Mamta ... 4 years, 7 months ago

245

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Ask specific question which are clear and concise.

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