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AravindG
 4 years ago
find maximum and minimum values for the function g(x)=x^33x
AravindG
 4 years ago
find maximum and minimum values for the function g(x)=x^33x

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hartnn
 4 years ago
Best ResponseYou've already chosen the best response.1what u got as first derivative ?

AravindG
 4 years ago
Best ResponseYou've already chosen the best response.0should i take second derivative?

hartnn
 4 years ago
Best ResponseYou've already chosen the best response.1correct. here u can just put the values in g(x) and by inspection u can tell which is max

hartnn
 4 years ago
Best ResponseYou've already chosen the best response.1mathematically, u should take 2nd derivative...

AravindG
 4 years ago
Best ResponseYou've already chosen the best response.0max at x=1 and minimum at x=1

AravindG
 4 years ago
Best ResponseYou've already chosen the best response.0bt then why we took second derivative in last qn?

hartnn
 4 years ago
Best ResponseYou've already chosen the best response.1because we can't find the max or min just by putting the points and inspection, can we ?

AravindG
 4 years ago
Best ResponseYou've already chosen the best response.0i see is my final answers ryt?

hartnn
 4 years ago
Best ResponseYou've already chosen the best response.1sorry, got disconnected...yes, its correct

AravindG
 4 years ago
Best ResponseYou've already chosen the best response.0one last qn and i am done ,,well for this qn i think i gt crct anser bt i want t o knw if i need to take second derivative "find maximum and minimum value of 3x^48x^3+12x^248x+25

AravindG
 4 years ago
Best ResponseYou've already chosen the best response.0max at x=0 min at x=2 ryt?

hartnn
 4 years ago
Best ResponseYou've already chosen the best response.1yes, both are correct..i had doubt with max at x=0

AravindG
 4 years ago
Best ResponseYou've already chosen the best response.0thanx a lot!!!! it really helped cant tell u hw thankful i am !!
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