Math, asked by R8akeerthgasvarshad, 1 year ago

the 14th term of an AP is twice its 8th term. if its 6th term is -8 then find the sum of its first 20 terms.

Answers

Answered by bhumi15

10

ans is -340 plz tell me that em correct or not
n -d=a so plz put the value of d -(-2)=a so a= 2

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Answered by madanlalsinghal1969

7

Answer:

Step-by-step explanation:

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