Is 13i pure imaginary

Updated: 12/15/2022
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Q: Is 13i pure imaginary
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What is the square root of negative 169?

The square roots are -13i and 13i where i is the imaginary square root of -1.

Can a number be imaginary but not pure imaginary?

Yes. The number 1 + i is imaginary but not pure imaginary, while 5i is pure imaginary.

Is the difference of a complex number and its conjugate a real imaginary or pure imaginary number?

It is a pure imaginary number.Since (a+bi)-(a-bi) = 2bi, it is a pure imaginary number (it has no real component).

Can a no real number be a pure imaginary number?

If a number is pure imaginary then it has no real component. If it is a real number, then there is no imaginary component. If it has both real and imaginary components, then it is a complex number.

A complex number might not be a pure imaginary number?

True. Complex numbers have a real part and an imaginary part. If either one of these is zero, the complex number will be a pure real or a pure imaginary.

What is the additive inverse of 9-13i?


Is the product of two imaginary numbers always a pure imaginary number?


What is the definition of a pure imaginary number?

A pure imaginary number is a complex number that has 0 for its real part, such as 0+7i.

Can a complex number can't be a pure imaginary number?

A complex number can be a pure imaginary, or a pure real number, or a combination of the two. The form for a complex number is a + bi, where a & b can be any real numbers (so if a = 0, then the number is pure imaginary; and if b=0, then it is a real number).

Can a complex number be imaginary?

Yes, imaginary numbers are a subset of complex numbers.

Is Every complex number is a pure imaginary number?

No. All Complex Numbers are of the form a + bi where a and b are Real Numbers and i is the square root of -1. So only ones where a = 0 are pure Imaginary Numbers.

Is every complex number a pure imaginary number?

No. For example the number 1+i. Pure imaginary complex numbers are of the form 0 + a*i, where a is a non-zero real number.