Question

if 1/a 1/b 1/c are ap then what is the value of c/a

Answer 1

if 1/a 1/b 1/c are ap

then 1/b-1/a =1/c-1/b=d

or 2/b-1/a =1/C

or 2a-b/ab = 1/c

or ab/(2a-b) = c

or. C=ab/(2a-b)

value of
c/a = b/(2a-b)

Answer 2

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