Lagrange Multipliers One Constraint Two Variable Opimization Examples

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Critical number is the point where the derivative is zero or undefined. Maximum occurs where the derivative changes from positive to negative. Minimum is at the point where the first derivative changes from negative to positive increasing to decreasing. Minimum is at a point where the derivative changes from decreasing to increasing. Second derivative can be used to confirm maximum or minimum at the critical point. Positive second derivative means minimum and negative means maximum.
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Thank you so much for making the concept easy to understand and comprehend with examples!

ronaung
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Great video. Your voice is very relaxing.

NNTP
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Sir, you made the concept much easier❤️, thank you !!

netra
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Thank you very much sir for this video. It is indeed very helpful

vishubhatnagar
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How do we understand when is it maximum and when is it minimum?

srishtikdutta
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I happy to know you, It is helping me a lot. Many thanks!!

quochunglam
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Amazing video!! Thank you so much! God bless u

ioannap.toutsidi
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After finding the max/mini value, is it necessary to test whether it is max/mini or not ?

AnowarHussain-dkor
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From the problem no 3, f(-2, -2) will also give max value, but u have not mentioned, what's the proper reason??

mahadevhatti
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@16:20 if you choose x positive, y negative or vice versa then you get the minimum too.

yt-