Math, asked by pretlove113gmailcom, 19 days ago

If the sum of first 6 terms is 12 and sum of first 10 terms is 60, then find the sum of its n
terms.​

Answers

Answered by zeesoftzs
2

Step-by-step explanation:

  • Make 2 equations
  • Find a and d
  • Using in Sn
Attachments:
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