Math, asked by Manoj246879, 7 months ago

In an AP if 12th term is -13 and the sum of its first four terms is 24. Find the sum of its first 20 terms

Answers

Answered by Aryandhorajiya619
11

Step-by-step explanation:

a+11d=-13

:a=13-11d

ufud

Answered by adityambulance2020
28

Answer:

sum of first 20 terms is -200

Step-by-step explanation:

make equation according to the statment and step by step solve it.

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