Algebra

This chapter talks about quadratic equation in one variable. Solution of quadratic equation by factorization method and expressing as perfect square, and Sridhara Acharyya’s formula is explained. We will also understand roots of a quadratic equation.

This chapter provides knowledge of ratio and proportion. Some useful information on ratio and proportion is given here for our better understanding. We will also learn to find mean proportional, third proportional, and fourth proportional.

This chapter discusses quadratic surds. Some definitions are provided for students understanding. Order of a surd, quadratic surd, and comparison of surds are described here. will addition, subtraction, and multiplication of surds.

This chapter gives exposure to variation. Students will understand direct variation, inverse variation, and joint variation here. Solved examples and illustrations are also provided for more clarity.