Question

If the second and third term of an A.P are 14 and 18 respectively, then find its 12th term​

Answer 1

Step-by-step explanation:

Second term =14

Third term =18

so, T2= 14 and T3=18

a+d=14 and a+ 2d=18

a=14-d =>14-d+2d=18

=>14+d=18

=>d=4

So, a =10

Hence 12th term= a+11d

=>10+11×4

=>10+44

=>54

Answer 2

Step-by-step explanation:

54

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