What is the complex plane? The complex plane, sometimes also known as the Argand plane, is a two-dimensional plane on which complex numbers can be represented geometrically It is similar to a two-d...
How do I find the modulus of a complex number? The modulus of a complex number is its distance from the origin when plotted on an Argand diagram A modulus is never negative What features should I k...
What is an imaginary number? What is a complex number? What is Cartesian Form? There are a number of different forms that complex numbers can be written in The form z = a + bi is known as Cartesian...
做为全世界认同度最大的国际课程，IB课程早已创立了50周年纪念，现如今也早已成为了很多中国学生们的挑选，每一年都会有数以万计的学生们和家长小伙伴们前去资询IB课程及其教IB课程的院校。今天就一起来看看2022...
What are Permutations? A permutation is the number of possible arrangements of a set of objects when the order of the arrangements matters A permutation can either be finding the number of ways to...
What is meant by counting principles? The fundamental counting principle states that if there are m ways to do one thing and n ways to do another there are m × n ways to do both things Applying cou...
How do I use the binomial theorem for fractional and negative indices? How do we use the binomial theorem to estimate a value? The binomial expansion can be used to form an approximation for a valu...
Binomial Theorem What is the Binomial Theorem? The binomial theorem (sometimes known as the binomial expansion) gives a method for expanding a two-term expression in a bracket raised to a power A b...
What is proof by contradiction? Proof by contradiction is a way of proving a result is true by showing that the negation can not be true It is done by: Assuming the negation (opposite) of the resul...
