What are we learning ?
Competency in Focus: Biquadratic Equations
Main idea: It is usually hard to solve biquadratic equations. However, sometimes, combining tools from geometry and strategies like completing the square it is possible to do so.
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Next understand the problem
Let a,b and c be the sides of a right angled triangle. Let 
be the smallest angle of this triangle. If 
and 
are also the sides of a right angled triangle then show that 
Source of the problem
I.S.I. B.Stat. Entrance 2005, Subject Problem 1
Key Competency
Biquadratic Equation
Difficulty Level
6/10
Suggested Book
Challenges and Thrills in Pre College Mathematics
Excursion Of Mathematics
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Connected Program at Cheenta
I.S.I. & C.M.I. Entrance Program
Cheenta I.S.I., C.M.I. Entrance Program consists of live group and one on one classes, 24/7 doubt clearing and continuous problem solving streams. The trainers are / were students of Indian Statistical Institute and Chennai Mathematical Institute.
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