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Q: What numbers are their own multiplicative inverse?
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Related questions

What is the multiplicative of -1?

Assuming the question is about the multiplicative inverse, the answer is, -1. It is its own multiplicative inverse.


Is one the only number that has its own multiplicative integer?

No, it is one of two numbers that has its own multiplicative inverse which is an integer. The other number is -1.


What are the elements in rational numbers having multiplicative inverse?

All rational numbers, with the exception of zero (0), have a multiplicative inverse. In fact, all real numbers (again, except for zero) have multiplicative inverses, though the inverses of irrational numbers are themselves irrational. Even imaginary numbers have multiplicative inverses (the multiplicative inverse of 5i is -0.2i - as you can see the inverse itself is also imaginary). Even complex numbers (the sum of an imaginary number and a real number) have multiplicative inverses (the inverse of [5i + 2] is [-5i/29 + 2/29] - similar to irrational and imaginary numbers, the inverse of a complex number is itself complex). The onlynumber, in any set of numbers, that does not have a multiplicative inverse is zero.


What is multiplicative inverse in rational numbers?

The inverse function of multiplication is division.


What number does not have a multiplicative inverse?

A multiplicative inverse for 2 numbers exists if the 2 numbers are coprime, i.e. their greatest common divisor (or gcd) is 1. However, if your question refers to just a singular number, virtually all real numbers (with the exception of zero) have a multiplicative inverse.


Does the set of rational numbers have a multiplicative inverse?

Yes, and for any non-zero rational x, the multiplicative inverse is 1/x.


What number is the opposite of 0?

0 is its own additive inverse. There is no multiplicative inverse for 0.


How do you find the multiplicative inverse of mixed numbers?

change it to an improper fraction and then do it


What is one of two numbers having a product of 1?

multiplicative inverse


What is the multiplicative inverse of 4 i?

The multiplicative inverse of 4i is -(1/4)*i.


What is the multiplicative inverse of −100?

the multiplicative inverse of -100 is 1/-100


What is an multiplicative inverse of -.50?

The multiplicative inverse is 1/(-0.50) = -2