Math, asked by nani847871, 10 months ago

Find the sum of first 10 terms of an AP 3,15,27,39

Answers

Answered by khushig91682

2

Answer:

use formula of sn=n/2(2a+(n-1) D

hope u understand

Answered by naveedhos12

1

Answer:

S10 =170

Step-by-step explanation:

put the formula Sn=n/2(2a+(n-1)d)

a=3 and d=12

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