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" 8.if "a((1)/(b)+(1)/(c)),b((1)/(c)+(1)...

" 8.if "a((1)/(b)+(1)/(c)),b((1)/(c)+(1)/(a)),c((1)/(a)+(1)/(b))" are in A.P.then prove that "a,b,c" are also in "

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