## Class 9

Select your class / topic to begin online practice or take an online

### Surds

• Irrational numbers
• Introduction to surds
• Rationalization of surds
• Square root and cube root of a surd

### Complex Numbers

• Introduction to complex numbers
• Operations on complex numbers.
• Conjugate of a complex number

### Logarithms

• Introduction to logarithms
• Laws of logarithms

### Algebra

• Review of algebra
• Remainder theorem
• Factor theorem
• Cyclic expressions

#### Online Tests

• Equations reducible to quadratic form
• Nature of roots
• Symmetric functions of roots

### Co-Ordinate Geometry

• Distance formula
• Section formula
• Slope and intersection of two lines
• Equation of a line in various forms
• Area of a triangle

### Geometry

• Mid-point theorem
• Similarity of triangles
• Degree measure of an arc

### Mensuration

• Review of mensuration
• Surface area and volume of a cone
• Surface area and volume of a sphere
• Surface area and volume of combined solids

### Statistics

• Mean of grouped data
• Median of grouped data
• Mode of grouped data

### Probability

• Introduction to probability

### Trigonometry

• Measure of an angle
• Trigonometric ratios and identities
• Elimination of an angle
• Allied angles
• Compound angles

### Set Theory

• Review of set theory
• Venn diagrams
• Cardinality of sets

### Relations

• Introduction to relations
• Types of relations

### Functions

• Introduction to functions
• Types of functions

### Limits

• Introduction to limits

### Progressions

• Arithmetic progression
• Sum to n terms of an A.P.
• Arithmetic mean

### Matrices

• Introduction to matrices
• Multiplication of matrices