Comments on: Complex/Imaginary numbers http://trevorpythag.co.uk/2008/09/28/compleximaginary-numbers/ Maths Tutorials, Help and Questions Sat, 06 Mar 2010 14:01:39 +0000 http://wordpress.org/?v=2.9.1 hourly 1 By: trevorpythag http://trevorpythag.co.uk/2008/09/28/compleximaginary-numbers/comment-page-1/#comment-102 trevorpythag Sat, 06 Dec 2008 17:37:04 +0000 http://trevorpythag.wordpress.com/?p=57#comment-102 you can treat them like you would in normal algebra but whenever you get a i squared you can chnage it to -1 ie in your example the answer would be <strong>(-4i)(-5i)(3i) = -60i</strong> beacuse 4x5x3 = 20 and i x i x i = -i hope that helps dave you can treat them like you would in normal algebra but whenever you get a i squared you can chnage it to -1
ie in your example the answer would be
(-4i)(-5i)(3i) = -60i
beacuse 4×5x3 = 20 and i x i x i = -i
hope that helps dave

]]> By: aroosa http://trevorpythag.co.uk/2008/09/28/compleximaginary-numbers/comment-page-1/#comment-101 aroosa Sat, 06 Dec 2008 00:57:26 +0000 http://trevorpythag.wordpress.com/?p=57#comment-101 how do i simply multiply imaginary numbers? like; (-4i)(-5i)(3i) how do i simply multiply imaginary numbers?

like;

(-4i)(-5i)(3i)

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