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IIT JEE PERMUTATIONS AND COMBINATIONS--III(illustration-22) by Kajal Sengupta
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Here sum of five digit numbers using six given digits have to be found. This is more difficult than the previous two illustrations
IIT JEE PERMUTATIONS AND COMBINATIONS IV(illustration 23) by Kajal Sengupta
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Again six digits are given to find the sum of five numbers , the difference being that 2 numbers are repeated making the solution more difficult
IIT JEE CIRCLE by Kajal Sengupta
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The question discusses how to find the equation of two tangents to a circle whose centre is not at origin---the parametric angle between the tangents ... more
IIT JEE PERMUTATIONS AND COMBINATION ---I (illustration 56) by Kajal Sengupta
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In the problem five numbers are given .You have to find the sum of all the five digit numbers with the help of five given digits
Solution of a question in IIT JEE maths 2009 by Kajal Sengupta
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Aquestion in which roots of equation are involved is solved
IIT JEE COMPLEX NUMBER by Kajal Sengupta
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A prolem on complex number has been solved with proper explanation
Solution of a problem in Physics--iit jee question by Kajal Sengupta
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The question is based on the combined concepts of inclined plane and collision. The way of explaining makes the complex problem simple
Not So Simple Harmonic Motion-I by Kajal Sengupta
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The Level of this Lecture on Simple Harmonic is higher than that taught in Regular classes so it will be best suited for Students with some knowledge ... more
Two Dimentional Momentum Problem by Kajal Sengupta
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An interesting numerical problem on two dimentional momentum explained beautifully- can be of use for the AIEEE,IIT-JEE exams
Physics- Deformation and Rolling Friction by Kajal Sengupta
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The Teacher has given a Short Explanation on Deformation of a Rolling Body decreases the Velocity of a Rolling Ball. A Must see for the Students prep... more