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March 2, 2018
Barycentric Coordinates - I.S.I 2014 Problem 2

In I.S.I 2014 Problem 2 we have tried to solve a problem using the idea of barycentric coordinates.

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February 28, 2018
March Problem Lists

Understand Choose your course and download the Problem List document. The assignment page link is also added. You may submit the solutions there. This will constitute 50% of your monthly grade. Math Olympiad Early Bird (India) Number Theory Problem List (Early Bird) Link to Assignment Page (only registered users may access) Chemistry Olympiad Program Thermodynamics […]

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February 16, 2018
A familiar Functional Equation

Cauchy's functional equations are very simple. The most familiar one has a simple formula: f(x + y) = f(x) + f(y) But first, for the uninitiated, what is a functional equation after all?  What is a functional equation? Usually, functions appear as formulae. For example ( f(x) = x^2 ) is a function. It takes […]

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January 29, 2018
Contraction of a function - advanced Cheenta seminar

It is almost like deflating a balloon. But the effect is exponential.  Today (29th January 2018, Monday), we have a special concept building cum problem-solving session on Contraction of a function.    When   10 PM I.S.T. (29th January 2018)    Where:    Online (link will be posted in Cheenta Commons, Open Slate skype group)   […]

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January 21, 2018
B.Math 2005 Problem 5 Part 1

Problem Next Continue here

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December 31, 2017
Graphing an Integral - Part 3

This is a video in which you would learn Graphing an Integral. This is the third part of the video. It is taken from ISI B.Stat 2005 Problem 2. Watch, learn and enjoy the video.

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December 30, 2017
Graphing an Integral - Part 2

This is a video in which you would learn Graphing an Integral. This is the second part of the video. It is taken from ISI B.Stat 2005 Problem 2. Watch, learn and enjoy the video.

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December 29, 2017
Graphing an Integral | B.Stat 2005 | Problem 2

In I.S.I.'s B.Stat Entrance 2005, the following problem appeared: Problem: Let $$ f(x) = \int_0^1 |t-x|t dt $$ for all real x. Sketch the graph of f(x). What is the minimum value of f(x)? Here is the first installment of a discussion on that. Part 1 Part 2 [button url="https://cheenta.com/graphing-an-integral-part-2/" class="" bg="" hover_bg="" size="0px" color="" […]

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November 9, 2017
Combinatorial Argument 2 - I.S.I. & C.M.I. Entrance Problem

You may want to look into the first part

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November 8, 2017
Combinatorial Argument - ISI BStat - BMath Entrance Problem
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May 20, 2020
Ordered triples | PRMO 2017 | Question 21

Try this beautiful problem from the Pre-RMO, 2017 based on Sides of Quadrilateral. You may use sequential hints to solve the problem.

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May 19, 2020
Sides of Quadrilateral | PRMO 2017 | Question 20

Try this beautiful problem from the Pre-RMO, 2017 based on Sides of Quadrilateral. You may use sequential hints to solve the problem.

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May 19, 2020
Complex numbers and Sets | AIME I, 1990 | Question 10

Try this beautiful problem from the American Invitational Mathematics Examination I, AIME I, 1990 based on Complex numbers and Sets.

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May 19, 2020
Consecutive positive Integers | AIME I, 1990| Question 11

Try this beautiful problem from the American Invitational Mathematics Examination I, AIME I, 1990 based on Consecutive Positive Integers.

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May 19, 2020
Logarithm Problem From SMO, 2011 | Problem 7

Try this beautiful Logarithm Problem From Singapore Mathematics Olympiad, SMO, 2011 (Problem 7). You may use sequential hints to solve the problem.

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May 18, 2020
Sum of the numbers | AMC-10A, 2001 | Problem 16

Try this beautiful problem from algebra, based on Sum of the numbers from AMC-10A, 2001. You may use sequential hints to solve the problem.

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May 18, 2020
Convex polyhedron Problem | AIME I, 1988 | Question 10

Try this beautiful problem from the American Invitational Mathematics Examination I, AIME I, 1990 based on combinatorics in Tournament.

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May 18, 2020
Pentagon & Square Pattern | AMC-10A, 2001 | Problem 18

Try this beautiful problem from Geometry based on pentagon and square pattern from AMC-10A, 2001. You may use sequential hints to solve the problem.

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May 18, 2020
Fair coin Problem | AIME I, 1990 | Question 9

Try this beautiful problem from the American Invitational Mathematics Examination I, AIME I, 1990 based on Fair Coin Problem.

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May 17, 2020
Circular Cylinder Problem | AMC-10A, 2001 | Problem 21

Try this beautiful problem from Geometry: circular cylinder from AMC-10A, 2001. You may use sequential hints to solve the problem.

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