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***HINT: HOW MANY WAYS CAN YOU WRITE XX ***
Okay since we are on the derivative laws and rules part of our lives, I decided give you all a little problem to solve. Here it is:
Okay given (plus we know) that:
d
---- nx = nxn - 1
dx
d
---- ax = ax * ln a
dx
d
---- (u*v) = u * v' + v * u'
dx
d
---- ln u = u-1 * u'
dx
What is:
d
---- xx
dx
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2 comments:
Very cool question! Did you make it up or did you see it somewhere? (It's a popular conundrum.)
SPOILER
DON'T READ THIS
I'm WARNING YOU WIZOWSKI!
OK, I WON'T RUIN IT
JUST A HINT
Requires starting by taking the natural log of both sides. ;-)
I saw it somewhere.
I tried myself but I didnt get it at first. Now I know what it is, so I wishing to pass it on to my other classmates
=D
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