About Class 9 Maths Chapter 4 Linear Equations in Two Variables In this chapter, you will get to learn about linear equations and their applications in real life problems.

Pair of Linear Equations in Two Variables is the second chapter of the second unit. The other chapters in Unit two Algebra of CBSE Class 10 Maths are Polynomials,, Quadratic Equations and ...

But what if you could use your smartphone to solve equations by pointing the camera at the problem in your textbook instead of using a graphing calculator? That is the idea behind PhotoMath.