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The AM-GM Inequality

IMG_20210121_145844-compressed.jpg.jpeg

Any help to solve the second part of this question would be greatly appreciated...
(ii) isn't actually true (take a =b = c = 1). (I would assume the 9/2 should be 3/2 - this is Nesbitt's inequality).

If you need more help, post again.
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3672N
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Original post by DFranklin
(ii) isn't actually true (take a =b = c = 1). (I would assume the 9/2 should be 3/2 - this is Nesbitt's inequality).

If you need more help, post again.


Thankyou...
Reply 3
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3672N
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Is there a problem in the past part also?
Reply 4
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mqb2766
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Original post by Nimantha
Is there a problem in the past part also?

Part iii looks ok. It's fairly easy to guess the value of a which gives the maximum.
Original post by Nimantha
Is there a problem in the past part also?

No. If you're still stuck, here's a (quite large) hint:

Spoiler

(edited 3 years ago)
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Original post by mqb2766
Part iii looks ok. It's fairly easy to guess the value of a which gives the maximum.


Thanks
Reply 7
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3672N
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Original post by DFranklin
No. If you're still stuck, here's a (quite large) hint:

Spoiler



Thanks
(edited 3 years ago)

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