Sab CAPTHA 's ka BAAP

SAW this random number generator story about a true random number generator that relies on the unpredictable quantum process of photon emission." QRBG( QRBG bole to ...Quantum Random Bit Generator ) to provides high-quality true random numbers through a web service but before that you have to sign up at QRBG

I laughed my guts out at this CAPTCHA:

( for those un iniated souls CAPTHA stands for Completely Automated Public Turing test to tell Computers and Humans Apart )
Qualifying question

Just to prove you are a human, please answer the
following math challenge.


Q:

Calculate:
A:



mandatory :

Note: If you do not know the answer to this question,

reload the page and you'll get another question.





Great ... Makes sure you're a human AND belong to certain CLASS

For all those who're racking their brains out yaar,brush up ur calculus skills (especislly differentiation .....) if you wanna register :_