Math, asked by Anonymous, 1 year ago

the 14 th 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 charayavarun

so, the 6th term is midway between the 4th and the 8th: 14

I guess that's not what you wanted to know. Note that

T8 = T4 + 4d
Now you can find d, then a.

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