The PCMB Dilemma - JEE, NEET, or Both? 24 Feb 2017 You're a PCMB student you say? You're studying both math and biology? Wow. Talk about flexibility. Most of you in PCMB are probably medical aspirants. The rest of you may be engineering aspirants who were either confused between the two…

Descartes' Rule of Signs explained by an IITian 23 Feb 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) i) Number of positive roots of the equation p(x)=0 cannot…

Study Tips: Integral of sec(x).cosec(x) 21 Feb 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. Want more tips like this?…

Study Tips: Maxima and Minima 18 Feb 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…

A Guide to Studying Chemistry 17 Feb 2017 Chemistry can be an intimidating subject. The entire syllabus is roughly divided into three parts - organic chemistry, inorganic chemistry, and physical chemistry. Studying each section seems to be a daunting task as it never seems to end. However, chemistry…

Study Tips: Differentiation of an Infinite Series 16 Feb 2017 This tip on calculus was contributed by one of our top tutors, Shashwat. What you will learn from this tip: The trick to differentiate an infinite series. Want more tips like this? Request a session on HashLearn now (it's free!…