If a,b,c are in HP then: a/b+c-a, b/c+a-b, c/a+b-c are in HP 2/b = 1/b-a +1/b-c a-b/2 , b/2 ,c-b/2 are in GP a/b+c, b/a+c , c/a+b are in HP Share with your friends Share 5 Rahul Raj answered this Dear student We have a,b,c are in HP.so,1a, 1b, 1c are in AP⇒2b=1a+1c⇒1c=2b-1a⇒1c = 2a-bab⇒c=ab2a-bNow, 1b-a+1b-c=1b-a+1b-ab2a-b=1b-a+2a-bb2a-b-ab=1b-a+2a-b2ab-b2-ab=1b-a+2a-bab-b2=1b-a+2a-bba-b=1b-a - 2a-bbb-a=b-2a+bbb-a=2b-2abb-a=2b-abb-a=2b option 2 Regards -6 View Full Answer