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anonymous
 4 years ago
The value of 5/(9x^2 + 6x + 11) is maximum when x=?
anonymous
 4 years ago
The value of 5/(9x^2 + 6x + 11) is maximum when x=?

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anonymous
 4 years ago
Best ResponseYou've already chosen the best response.09 x^2 + 6x + 11 should be minimum

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0You should take derivative first..

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0or complete the squre for 9 x^2 + 6x + 11

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0well so x=2 will minimize 9 x^2 + 6x + 11 and consequencly will maximize 5/9 x^2 + 6x + 11

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0The answer should be x = 1/3

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0sorry 18 x + 6=0 then x=1/3

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Why was I sent this in a message? xD

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0A plot of 5/(9x^2 + 6x + 11) and it's derivative, in blue and red respectively, is attached.
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