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Is 3i an irrational number?
No. It is an imaginary (or complex) number.
Is every real number a complex number?
A complex number is a number of the form a + bi, where a and b are real numbers and i is the principal square root of -1. In the special case where b=0, a+0i=a. Hence every real number is also a complex number. And in the special case where a=0, we call those numbers pure imaginary numbers. Note that 0=0+0i, therefore 0 is both a real number and a pure imaginary number. Do not confuse the complex numbers with the pure imaginary numbers. Every real number is a complex number and every pure imaginary number is a complex number also.
What is a complex decimal?
A complex decimal is a combination of a real number and an imaginary number. A few examples include 123 + i = 123i.
Does the pseudo-complex number 3 t have a multiplicative inverse?
Does the pseudo complex number 3+t have multiplication inverse
A complex number is a number of the form a plus bi where?
"a + bi" is a common way to write a complex number. Here, "a" and "b" are real numbers.Another common way to write a complex number is in polar coordinates - basically specifying the distance from zero, and an angle.
