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

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

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

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

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

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

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

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

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

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

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

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

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

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