Let a, b, c be in AP and k ≠ 0 be a real number. Which of the following are correct?
1. ka, kb, kc are in AP
2. k - a, k - b, k - c are in AP
3. \(\frac{a}{k},\frac{b}{k},\frac{c}{k}\) are in AP
Select the correct answer using the code given below:1
1 and 2 only
2
2 and 3 only
3
1 and 3 only
4
1, 2, and 3