Question

12. The 7th term of the A.P. is 32 and its 13th term
is 62. Find the A.P.
​

Answer 1

Answer:

A.P IS 2,7,12,17.....

Step-by-step explanation:

a7 = 32 and a13 = 62 From an – ak = (a + nd – d) – (a + kd – d) = (n – k)d a13 – a7 = (13 – 7)d = 62 – 32 = 30 6d = 30 d = 5 Now, a7 = a + (7 – 1)5 = 32 a + 30 = 32 a = 2 Hence, the A.P is 2, 7, 12, 17, ……

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Answer 2

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