Math, asked by kadambariganekar, 8 months ago

a= 6, d= 6, find S where n = 27

Answers

Answered by Anonymous

4

Answer:

Sn = n/2[2a + (n-1)d]

= 27/2[ 2(6) + (27-1)6]

= 27/2[ 12 + 156]

= 27/2[ 168]

= 27[ 84]

= 2268

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