February 23, 2017
This explanation of Descartes’ Rule of Signs was submitted by Ayush, a HashLearn tutor from IIT, Dhanbad.
Consider a polynomial equation p(x)=0 (descending powers of x)Read More
i) Number of positive roots of the equation p(x)=0 cannot exceed the number of changes of sign in p(x).…
February 21, 2017
This tip on integration was contributed by one of our top tutors, Shashwat.
Following up on our tips on calculus, this week we will explain the trick to finding the integral of the aforementioned function.
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February 18, 2017
This tip on calculus was contributed by one of our top tutors, Darshan Maheshwari.
The last edition of study tips, we posted an interesting trick to differentiate an infinite series. This time we’re following it up with helpful formulae to quickly find maxima or minima for functions involving two variables.…Read More