NCERT Grade 10, Chapter 3- Pair of linear equations in two variables
Mathematics NCERT Grade 10, Chapter 3- Pair of linear equations in two variables: This chapter starts with an introduction followed by a short description on the topic Pair of linear equations in two variables. The very first exercise contains 3 problems which are based on the concept on how a given situation can be represented algebraically and graphically.
Next section is about the topic- Graphical Method of Solution of a Pair of Linear Equations. Here the concept of the inconsistent and consistent pair of linear equations is explained. Here the students have to check whether the given lines intersect at a point, are parallel or coincident.
After that, Algebraic Methods of Solving a Pair of Linear Equations is explained. This includes
- Substitution method
- Elimination method
- ross Multiplication
Next exercise is based on the topic- Equations Reducible to a Pair of Linear Equations in Two Variables. Concept of upstream and downstream is cited in this section. In the end, an optional exercise and key points of the chapter are given.
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