Have web security questions gone overboard? With security math questions like this, who needs enemies??
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Have web security questions gone overboard? With security math questions like this, who needs enemies??
November 23, 2009
LOL LOL LOL , haha this is very funny ! I hate captcha!
!
January 11, 2010
@Kevin:
f(x) = -4 cos^7(x) f’(x)+84 sin^2(x) cos^5(x) f’(x)-140 sin^4(x) cos^3(x) f’(x)+28 sin^6(x) cos(x) f’(x) = -28 f’(0) sin^7(x)+196 f’(0) sin(x) cos^6(x)-980 f’(0) sin^3(x) cos^4(x)+588 f’(0) sin^5(x) cos^2(x) = 0
January 6, 2010
f(x) = 4*sin(7*x-PI/2)
f’(x) = 28*cos((PI-14*x)/2)
f’(0) = 0
January 5, 2010
Anything that you can’t type into Google is not worth answering. =)
January 5, 2010
Yes, the answer is actually 0. Little things that matter!
December 8, 2009
Uhh, the problem isn’t actually that simple, Steve (And you can’t divide by zero).
December 1, 2009
Steve, you are a frigging genius!
December 1, 2009
I’m no math wiz, but actually this problem is pretty simple. If you’ll note that x=0. Because anything times 0 is 0 as is anything divided by 0. So the answer is 0. Trick question to see if people are paying attention to details or (like most people) will be overwhelmed by what would normally be a very tough problem.
November 25, 2009
I prove im NOT human if i actually answer this! -_-”
November 23, 2009
haha ya, thankfully you can comment here without using captcha, so you are very welcome to comment as much as you want =)