Example 8. Find the value of a and b for which the following system of equations has infinitely many solution; [2002 C, D]
Solution:-
For infinitely many solutions
Taking 1st and 3rd ratio
Taking last two retio
5b - 10 = -9
5b = -9 + 10 = 1
b = 1/5
Subjects | Maths (Part-1) by Mr. M. P. Keshari |
Chapter 1 | Linear Equations in Two Variables |
Chapter 2 | HCF and LCM |
Chapter 3 | Rational Expression |
Chapter 4 | Quadratic Equations |
Chapter 5 | Arithmetic Progressions |
Chapter 6 | Instalments |
Chapter 7 | Income Tax |
Chapter 8 | Similar Triangles |