I am overthinking this but (−4)(−52) is not a valid equation, am I correct? Working...
I am overthinking this but is not a valid equation, am I correct? Working through the problem gives me which then works out to which leaves a negative number in the square root, which is not valid.
Answer & Explanation
Beginner2022-01-23Added 13 answers
It is perfectly valid, the result is simply not a Real Number, it is what is called an Imaginary Number (or a Complex Number in the case in which you had a Real Numbered component as well), which you may not be familiar with.
The result you gave simplifies down to , where is called the Imaginary Unit, and is equal to
Beginner2022-01-24Added 13 answers
The square root of a negative number is a complex number . If this sounds like complete gibberish to you, google "imaginary numbers" and read up on it.
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