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Let a, b, c be in AP and k 0 be a real number. Which of the following are correct? 1. k a, k b, k c are in AP 2. k-a, k-b, k-c are in AP 3. a k , b k , c k are in AP Select the correct answer using the code given below :

Options

  1. A1 and 2 only
  2. B2 and 3 only
  3. C1 and 3 only
  4. D1,2 and 3

Correct answer

D. 1,2 and 3

Step-by-step solution

A P remains an A P if it is multiplied, divided and subtracted by a constant number. All three statements are correct.

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