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10th Class Maths Chapter'Pair of Linear Equations in Two Variables' Topic Wise Videos


10th Class Maths Chapter'Pair of Linear Equations in Two Variables' Topic Wise Videos

Introduction-Linear Equation in Two variables
If two linear equations have the two same variables, they are called a pair of linear equations in two variables. Following is the most general form of linear equations:
a1x + b1y + c1 = 0
a2x + b2y + c2 = 0
Here, a1, a2, b1, b2, c1 and c2 are real numbers such that;
A pair of linear equations can be represented and solved by the following methods:
Graphical method
Algebraic method
Graphical Method:
For a given pair of linear equations in two variables, the graph is represented by two lines.
If the lines intersect at a point, that point gives the unique solution for the two equations. If there is a unique solution of the given pair of equations, the equations are called consistent.
If the lines coincide, there are indefinitely many solutions for the pair of linear equations. In this case, each point on the line is a solution. If there are infinitely many solutions of the given pair of linear equations, the equations are called dependent (consistent).
If the lines are parallel, there is no solution for the pair of linear equations. If there is no solution of the given pair of linear equations, the equations are called inconsistent.

Algebraic Method:
There are following methods for finding the solutions of the pair of linear equations:
Substitution method
Elimination method
Cross-multiplication method

Click here to watch...రెండు చరరాశులలో రేఖీయ సమీకరణాల జతలుగా మార్చగలిగే సమీకరణాలు

 10th Class Maths Chapter'Pair of Linear Equations in Two Variables' Topic Wise Videos,రెండు చరరాసుల రేఖీయా సమీకరణాల జత ,రెండు చరరాశులలో రేఖీయ సమీకరణాల జతలుగా మార్చగలిగే సమీకరణాలు,ప్రతి క్షేపణ పద్ధతి,సంక్షిప్తీకరించదగిన సమీకరణాలు
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