# 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.

# Look at the knowledge graph.

# 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

# Watch video

# 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.