Question

find the value of given that k k+5,5k are in ap​

Answer 1

2k+1,13 and 5k−3 are three consecutive terms of an A.P

Then, difference of first two terms is same as the difference of next two terms

∴ 13−(2k+1)=(5k−3)−13

⟹ 13−2k−1=5k−3−13

⟹ 12−2k=5k−16

⟹ 28=7k

∴ k=4

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Answer 2

Answer:

Step-by-step explanation:

5k-(k+5) = k+5-k

5k-k-5 = 5

4k = 10

k= 10/4