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If 𝑎a,𝑏b, 𝑐c are in H.P., prove that a^3 + 𝑏c^3 > 2b^3

 If 𝑎a,𝑏b, 𝑐c are in H.P., prove that
a^3 + 𝑏c^3 > 2b^3
 

Grade:12th pass

2 Answers

Arun
25750 Points
4 years ago
Dear Ayushi
 
what is aa , bb , cc written every element twice. I didn’t get it.
Please specify it. You can also attach an image. I will be happy to help you.
Vikas TU
14149 Points
4 years ago
Hiii Ayushi 
You have used two font size of a, can you please brifly , explain what do you mean by that ,and that does not comes in the prooving result part . 
Good luck 
Cheers

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