Math, asked by sauravkashilkar2000, 10 months ago

If-15, -25 are respectively the 11th and 16 th terms of an AP, then find the sum of first 20 terms of the AP ?

Answers

Answered by shrutikamble3032

1

Answer:

this will help you.

Step-by-step explanation:

sum of 20th term is -280

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