# Blog

## Discrete Random Variables (DRV)

A discrete random variable is one that takes discrete value e.g. 1, 2.4, 3, etc. For example, if a discrete random variable, X, represents the number shown on a dice, then X can only take … ….

## Probability – H2 A Level Exam

In this post, we look at probability concepts tested in the H2 A Level Exam.

## Permutation and Combination (P&C) – H2 A Level Exam

In this post, we look at permutation and combination concepts tested in the H2 A Level Exam.

## Complex Number Notes for H2 A Level Math

In H2 A Level Math, students are tested on complex numbers in cartesian, exponential and trigonometric form.

## Differential Equations

In this differential equation lesson, we’ll look at how to solve the type of differential equation tested in H2 A Level Math – variable separable type.

## Application of Integration to Area

In this post, you’ll find the formula used to find area by integration. Finding area between curve and x-axis To find the area bounded by…

## Application of Integration to Volume

In this post, you’ll find the formula to find the volume generated by the curve when it is rotated about the x-axis and y-axis.

## Integration Techniques

In this integration technique lesson, you’ll find the integration formulae and techniques tested in H2 A Level Math.

## Maclaurin’s Series

Maclaurin’s expansion can be used to approximate a function, f(x) into a polynomial form. The approximation can be done using this formula here.

## Application of Differentiation for H2 A Level Math

In application of differentiation for H2 A Level Math, you’ll apply differentiation to increasing and decreasing functions, tangents and normals of curves, rate of change questions, stationary points of curves, and maximum and minimum problems.

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