Math, asked by firdous28, 10 months ago

the sum of the 4th and 12th term 20 what is the sum of 1st 15 terms of Ap

Answers

Answered by adarsh5190

2

Answer:

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Step-by-step explanation:

if 4th and 12th term are added and got 20 then the sum of 15th and 1st term will be 25

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