Lecture 15: Extreme values-II

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Extreme Values
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Why we saperately calculate for the intersection points ?? please reply...

agent_op_is_live
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Thank you sir 🙏🙏
I hope nptep make this type of lecture for all topics

surendrakumarpandit
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At 13:26 . Why did we calculate value of the function at (0, 4), (0, -4), (4,0) (-4, 0) seperately ? I know they are boundary points but since it is a circle, it has infinite 'vertices' . So how can we know that these 4 'vertices' are the only 'vertices' we have to look out for .

darkseid
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at 28:41 sir please explain how can you let x variable = 3cost and y variable = 2sint. please explain this. thank you

lone_wolf
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That's incredible, God bless you, would you let know the book you use while preparing.?
May be, if possible you may accompany the lesson from where we can get reference.

johnuwihanganye
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why do we have a need to find the nature of critical pts??

akshunkhajuria
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maxima and minima so clearly lecture to be proceed

patelvastralaya
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SIR PLZ MAKE VIDEO ON MULTIVARIABLE PART 2 other sir we cant understand it.. follow the same book because all problem are same in my book which u teaching !!!

rohitkamble
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Sir in ist exm. Why we calculate value of f at saddle point while camparing values of f

baljinderchahal
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Answer of rectangular plates : value of absolute maxima is 91 and the point are ( 5, 3);the value of absolute minima is -5 and the point are (5, 0).

tanyakumari
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I am watching just to find out where he fails

chandansagar