19. If a, b, c are in A.P, then show thatb+c, ca, a + b are also in A. – InterviewSolution

1.	19. If a, b, c are in A.P, then show thatb+c, ca, a + b are also in A.P.are also in A.P(ii)1(iii) (b+cP-a2, (c +α)2-b2, (a +6P(iv)AP.- c are also inalb rel bie a clatb are also in A.P+ c)beca ab20. If a2, b2, e2 are in A.P., prove that(i)1,1,1 are also in A.P.(00)are also in A.P
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