5.Find the 14th term of an A.P such that the 10th term of the A.P is 25 and 18th term is 41. answer send in. a pic
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2
Answer:
33
Step-by-step explanation:
Given,
a10 = a+9d = 25 - (1)
a18 = a+17d = 41 - (2)
(2) - (1)
a+17d =41
a+9d = 25
__________
8d = 16
=> d = 2
From equation (1) :- a = 25 - 9×2
= 25 - 18 = 7
Hence, a14 = a+ 13d = 7 + 13×2 = 33
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