Aladdin said:For what value of the natural number n is the complex number \(\displaystyle ( 1 + i\sqrt{3} )^n\) real and positive ?
Real and negative ? Pure Imaginary ?
Thanks in advance .
Subhotosh Khan said:Aladdin said:For what value of the natural number n is the complex number \(\displaystyle ( 1 + i\sqrt{3} )^n\) real and positive ?
Real and negative ? Pure Imaginary ?
Thanks in advance .
\(\displaystyle (1+i\sqrt{3})^n = \frac{1}{2^n}e^{i(\frac{n\pi}{3}+2nk\pi)}\)
Aladdin _ you know the drill - where is your work!!!