Question

A1=2; a3 = 26 find a2​

Answer 1

Answer: 14

Step-by-step explanation:

if a2 is between a1 and a3 so the answer is 14

(26+2) / 2

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Answer 2

Answer:

let a2 be x

a1 = 2. a3 = 26

d1 = a2 - a1 = x - 2

d2 = a3 - a2 = 26 - x

d1 = d2

x - 2 = 26 - x

x + x = 26 + 2

2x = 28

x = 28/2

x = 14

therefore a2 = 14

I think this is the answer.................I hope it helps you