If a2 , b2 , c2 are in ap prove that a/b+c , b/c+a , c/a+b are also in ap

If a2 , b2 , c2 are in ap prove that a/b+c , b/c+a , c/a+b are also in ap and 1/b+c , 1/c+a, 1/a+b are also in ap

Let us consider the three terms :
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Difference between 2nd and first term is worked out as follows


Now we see the terms,
image
difference between second and first term is worked out as follows
image
from (5) and (6), we say that
image
are in A.P