Facts

Thursday evening, the death news of political figure Atal Bihari Vajpayee has gone viral on social media in many states of India include Rajasthan, Haryana etc.  On social media, even a lot of people start paying tribute to the Atal Bihari…

The word hyperbola is a Greek word that means excessive. It is a group of all those points, the difference of whose distances from two fixed points is always same or constant. The fixed points are called as the foci(foci is plural for the…