Math, asked by milliChaurasiya, 7 months ago

An AP consists of 50 terms of which 3rd term is 12 and last term is 106 find the 29th yerm​

Answers

Answered by Mehul4444
3

ans is 64 a is 8 d is 2 a 29 is 64

Answered by yasmeen2005
2

Answer:

n=50

a3= a+2d = 12......(i)

a50 = a+49d= 106......(ii)

(i) - (ii)

a + 2d = 12

a + 49d = 106

- - =-

-47d = - 94

d = -94/-47

d = 2

put value of D=2 in eq i

a+2d = 12

a + 2*2 = 12

a = 12-4

a = 8

a29 =

a + 28d

8+28*2

8 + 56= 64

a29= 64

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