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Sn=4095, r=4, n=6, a=?

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Sn=4095, r=4, n=6, a=?

Posted by Abilash Raj 4 years, 5 months ago

CBSE > Class 10 > Mathematics

1 answers

Adithya Dev A 4 years, 5 months ago

Sn = n/2 (a + r). 6/2 (a + 4) = 4095. 3 (a + 4) = 4095. a + 4 = 4095/3. a + 4 = 1365. a = 1361.//

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