real numbers called

The difference between these two values is called the absolute error. Absolute Error = Original number - Approximated number The ratio of the absolute error and the original number expressed in percentage form is called percentage relative err..

If m is a positive integer, a x a x a . m times is written as a m . a is called the base and m is the power. We read it as "a raised to the power m". The power is also called "the index" or "the exponent..

Introduction - If m is a positive integer, a x a x a . m times is written as a m . a is called the base and m is the power. We read it as "a raised to the power m". The power is also called "the index" or "the exponent..

A sequence is called finite if the number of terms is finite. A finite sequence has always a last ter..

If two sets are given, a set can be formed by using all the elements of the two sets. Such a collection is called the union of the given set..

Compounded ratio - If two or more ratios are multiplied term-wise, the ratio thus formed is called their compounded rati..

a, b, c and d are said to be proportion if a : b = c : d. a and d are called the extremes, b and c are called the means. a, b, c and d are called first proportion, second proportion, third proportion and fourth proportion respectivel..

Polar form of a Complex number - Let z = x+iy denote the point P(x,y) in the xy plane. Then from the figure, we have z = r{cos q +isin q } is called the polar form of the complex number. x + iy (which is in the cartesian form) whe..

If m is a positive integer, a x a x a ... m times is written as a m . a is called the base and m is the power. We read it as "a raised to the power m". The power is also called "the index" or "the exponent". An irrational root of a positive rational number is h..

Question: Define an even number. Answer: A number which is divisible by 2 is called an even number..