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All posts by Ashani Dasgupta

13

Oct'17

Thousand Flowers Program : a paradigm shift in Olympiad Training

The central theme of the thousand flowers program is: connected ideas and connected problems. We will illustrate the idea using …

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08

Oct'17

Regional Math Olympiad 2017

Looking for just the problems? Download the PDF here.   Let AOB be a given angle less than \( 180^o …

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27

Jun'17

Preserving angle and orientation, new programs and fee structure

Notes in Mathematics A Cheenta Newsletter I hope you are doing well.    First, let me congratulate all students from …

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18

May'17

Understanding the Infinitesimal

Understanding the Infinitesimal  Cheenta Notes in Mathematics   Adding infinitely many positive quantities, you may end up having something finite. …

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15

May'17

Region close to center (I.S.I. B.Stat, B.Math Subjective 2017, Problem 4)

Problem: Let S be the square formed by the four vertices (1, 1), (1, -1), (-1, 1), and (-1, -1). …

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15

May'17

Right angled triangle in a circle (B.Stat 2017, subjective 2)

Problem: Consider a circle of radius 6 as given in the diagram below. Let B, C, D and E be …

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14

May'17

Sequence of tangents (I.S.I. B.Stat and B.Math 2017, subjective problem 1)

Problem: Let the sequence \( \{ a_n\} _{n \ge 1 } \) be defined by $$ a_n = \tan n …

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