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Derivative - Max and Min application!

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SGVaibhav:
hmm @alpha..
i plan to ask my friend today :P, not yet done ahhaha

astar, can u answer this question for me

1) we have a equation of a curve , and equation of the tangent line.
so is the derivative of the equation of the curve = derivative of the equation of the tangent line at intersection ?? (if this question sounds confusing, then i will paste the main question) ....

2) MAIN QUESTION - Find the value of k, if the line y = 2x is tangent to the curve y = x^2 + k...

this question annoys me =.= -.-  :-\

thanks a lot :D

Alpha:
Hope this time, it's clear... ???

Attachment, download.

SGVaibhav:

--- Quote from: ~Alpha on January 24, 2010, 01:47:38 pm ---Hope this time, it's clear... ???

Attachment, download.

--- End quote ---

hmm
going in my head
not read completely, yet
because im watching TV + reading ur solution + eating + finding something :D

Alpha:

--- Quote from: sgvaibhav on January 24, 2010, 01:58:37 pm ---hmm
going in my head
not read completely, yet
because im watching TV + reading ur solution + eating + finding something :D

--- End quote ---

LOL :P

SGVaibhav:

--- Quote from: ~Alpha on January 24, 2010, 01:47:38 pm ---Hope this time, it's clear... ???

Attachment, download.

--- End quote ---
understood :D
thanks for ur efforts and lots of help
ur way is more logical actually and its better
we were taught in some weird way -.-

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