Question

An AP consists of 50th terms of which 3rd term is 12 and the last term is 106. Find the 29th term.

Answer 1

it's 29th term is equal to

a+28*d

8+28*2

8+56

64

Answer 2

Answer:

a29 = 64

Step-by-step explanation:

a3 = 12

a + 2d = 12 (1)

a50 = 106

a + 49d = 106 (2)

from (1) & (2),

47d = 94

d = 2

putting in (1),

a + (2)(2) = 12

a + 4 = 12

a = 8

a29 = a + 28d

= 8 + (28)(2)

= 8 + 56

= 64 ans.

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