Question

The sum of first and 5th term of an ap is 10 and 6 tern &8th term of an ap id 20. find the ap series

Answer 1

Answer:

let x be a. and d be y

$2x + 4y = 10$

$2x + 12y = 20$

elimination method

y =10/8

x=5/2

Ap is 5/2,30/8,5,...,

Answer 2

Answer:

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