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If a,b,c,d is in Harmonic Mean so which option is correct...1)ab>CD2)ac>be3)ad>bc4)none of these.Plzz with solution

Satyendra singh , 7 Years ago
Grade 11
anser 1 Answers
Deepak Kumar Shringi

Last Activity: 6 Years ago

a,b,c,d are in HP
1/a,1/b,1/c,1/d are in AP
here we cant say anything because d can be postive or negative for AP
so option 4 is correct

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