Question

If the first, fifth and last terms of an A.P. is l, m, F
respectively, and sum of the A.P. is
(1 + p)(4p + m - 51)/ k (m-l)
then k is

(a) 2
(b) 3
(c) 4.
(d) 5
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Answer 1

Answer:

it will be four

Step-by-step explanation:

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