Prove Leftside equalls Rightside?

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12 / (3 + 8j) = 0.4932 - 1.3151j

2007-02-28 02:12:14 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

12 / (3 + 8j)

= (12)(3 - 8j) / (3 + 8j)(3 - 8j)

= (36 - 96j) / (9 + 64)

= (36 - 96j) / 73

= [36/73] - [96/73]j

= 0.4932 - 1.3151j

QED

to MamaMia: where did 'j' in the denomintor go or did u think it was 'i'

2007-02-28 02:28:26 · answer #2 · answered by Maths Rocks 4 · 0⤊ 0⤋