Question

(a) if 1/bc, 1/ca, 1/ab are in AP Prove a, b, care in AP​

Answer 1

Answer:

no AB does not care AP.

Hope it helps you

Answer 2

Answer:

1/bc, 1/ca, 1/ab are in AP

if we multiply with abc then the sequence will also in AP

abc/bc, abc/ca, abc/ab are in AP

therefor,a,b,c are in AP