Complex number... though a and b don't have to be integers, and if a = 0 then it's a pure imaginary number.
Rational number
Any rational number.
A rational number.
A number that can be expressed in the form ( ab ), where ( a ) and ( b ) are integers and ( b ) is not equal to 0, is known as a rational number. Rational numbers can be positive or negative and include integers (when ( b = 1 )), fractions, and terminating or repeating decimals. Essentially, any number that can be represented as a ratio of two integers qualifies as a rational number.
a rational number
ratio of two integers, p/q where q is not equal to zero.
A rational number
rational number
Rational number
Repeating decimal
Any rational number.
A rational number.
an irrational number
It is probably a mixed rational number.
a rational number
a rational number
A rational number