Can someone explain how I would solve this?

Find the product of the number and its conjugate.

square root of negative 15.

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- Aug 7th 2009, 06:43 PMkikitaiszcraQkfind the product and its conjugate-complex numbers
Can someone explain how I would solve this?

Find the product of the number and its conjugate.

square root of negative 15. - Aug 7th 2009, 07:05 PMmalaygoel
The product of a complex number and its conjugate is equal to the square of the modulus of the complex number.

Here,

complex number is $\displaystyle \sqrt{-15}$ or $\displaystyle i\sqrt{15}$

What is the modulus of this number?

What is conjugate of this number? - Aug 8th 2009, 03:23 AMPlato
- Aug 11th 2009, 09:26 AMkikitaiszcraQk
I don't understand how you can get "a" and "bi" from a negative square root.

- Aug 11th 2009, 09:54 AMkikitaiszcraQk
- Aug 11th 2009, 10:37 AMskeeter