Ifa+b+c not equal to 0andb+c/a, c+a/b, a+b/care in ap prove that 1/a, 1/b, 1/c, are also in ap
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Step-by-step explanation:
b+c/a , c+a/b, a+b/c are in A.P.
Adding 1 to all the terms
a+b+c/a , a+b+c/b , a+b+c/c are also in A.P.
Dividing whole equation by a+b+c
1/a, 1/b, 1/c are also in AP
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