please solve it guys
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14th term = 9+13*4=61
20th term = 9+19*4=85
nth term =5+4n
here is your ans ..
d = 4
A14 =. a+ 13d = 9+52
= 61
A20 = 85
now, An = a+ (n-1)d
= 9 + (n-1)4 = 5+4n
hope it helps you.
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