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AravindG
Group Title
find maximum and minimum values for the function g(x)=x^33x
 one year ago
 one year ago
AravindG Group Title
find maximum and minimum values for the function g(x)=x^33x
 one year ago
 one year ago

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hartnn Group TitleBest ResponseYou've already chosen the best response.1
what u got as first derivative ?
 one year ago

AravindG Group TitleBest ResponseYou've already chosen the best response.0
3x^23=0 x^2=1 x=1,1
 one year ago

AravindG Group TitleBest ResponseYou've already chosen the best response.0
should i take second derivative?
 one year ago

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

hartnn Group TitleBest ResponseYou've already chosen the best response.1
mathematically, u should take 2nd derivative...
 one year ago

AravindG Group TitleBest ResponseYou've already chosen the best response.0
max at x=1 and minimum at x=1
 one year ago

AravindG Group TitleBest ResponseYou've already chosen the best response.0
bt then why we took second derivative in last qn?
 one year ago

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

AravindG Group TitleBest ResponseYou've already chosen the best response.0
i see is my final answers ryt?
 one year ago

hartnn Group TitleBest ResponseYou've already chosen the best response.1
sorry, got disconnected...yes, its correct
 one year ago

AravindG Group TitleBest ResponseYou've already chosen the best response.0
one 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
 one year ago

hartnn Group TitleBest ResponseYou've already chosen the best response.1
yes, u need to..
 one year ago

AravindG Group TitleBest ResponseYou've already chosen the best response.0
are answers 0 and 2?
 one year ago

AravindG Group TitleBest ResponseYou've already chosen the best response.0
max at x=0 min at x=2 ryt?
 one year ago

hartnn Group TitleBest ResponseYou've already chosen the best response.1
yes, both are correct..i had doubt with max at x=0
 one year ago

AravindG Group TitleBest ResponseYou've already chosen the best response.0
thanx a lot!!!! it really helped cant tell u hw thankful i am !!
 one year ago

AravindG Group TitleBest ResponseYou've already chosen the best response.0
seeya gn8 sweeet drms
 one year ago
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