Question

if 3, k-5, 5 are 3 consecutive of an A. p. find the value of k​

Answer 1

Answer:

3, k-5, 5 in AP

if the above terms in AP than the difference will be same for all the term

so

=> (k-5) - 3 = 5- (k-5)

=> k - 5 - 3 = 5 - k + 5

=> 2k - 8= 10

=> 2k = 18

=> k = 9