Math, asked by chethanravi070, 3 months ago

find the sum of first 15 terms of the AP 12,19,26,... using formula

Answers

Answered by anjali962

2

Answer:

a15 = 110

Step-by-step explanation:

first term ( a ) = 12

common difference ( d ) = 7

7a15 = a + ( 15 - 1 ) d

= 12 + 14 × 7

= 12 + 98

= 110

hence, a15 = 110

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Answered by gulshankumar8999

0

Step-by-step explanation:

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