Petenerd

05-17-2009, 07:30 PM

I am a little bit confused on square roots of negative numbers. For example sqrt -48. Would it be a negative number or a postitive number?

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Petenerd

05-17-2009, 07:30 PM

I am a little bit confused on square roots of negative numbers. For example sqrt -48. Would it be a negative number or a postitive number?

Subhotosh Khan

05-17-2009, 07:46 PM

I am a little bit confused on square roots of negative numbers. For example sqrt -48. Would it be a negative number or a postitive number?

Neither - square root of negative numbers are called imaginary numbers. Your text-book should have extensive discussion around this. You could also use google to find relevant articles to help you.

Neither - square root of negative numbers are called imaginary numbers. Your text-book should have extensive discussion around this. You could also use google to find relevant articles to help you.

stapel

05-18-2009, 08:43 AM

I am a little bit confused on square roots of negative numbers.

To supplement what you read in your book and heard in class, try some online articles on square roots of negative numbers (http://www.google.com/search?hl=en&q=square+root+negative+number). :wink:

To supplement what you read in your book and heard in class, try some online articles on square roots of negative numbers (http://www.google.com/search?hl=en&q=square+root+negative+number). :wink:

Aladdin

05-18-2009, 01:06 PM

When I was in grade 7,8 and 9. Our teacher used to tell us that it is impossible to have a negative sign under the radical, but today :) after taking the complex numbers lessons it changed a lot,

And I think that what will happen to you also. :wink:

Aladdin

And I think that what will happen to you also. :wink:

Aladdin

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