Question

1. 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-bk-are in AP
3. a/k,b/k,c/k are in ap

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Answer 1

Step-by-step explanation:

Sorry I cannot ans. this Questions becoz I'm not getting your point