Argand diagram - PowerPoint PPT Presentation

Complex numbers

Complex numbers. i or j . Complex numbers. An Imaginary Number, when squared, gives a negative result. imaginary 2 = negative. Complex numbers. i = √-1 i is used in maths But j is used in electronics and engineering (because i is already used as a symbol for current).

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Complex Numbers

Complex Numbers. The more straight forward questions on Complex Numbers have been found in Question 2 of the HSC since 1991.

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*Differentiation Q due Friday (hand in on paper) 2010 Q2: a &amp; b

*Differentiation Q due Friday (hand in on paper) 2010 Q2: a &amp; b Sketch 2+3i on an argand diagram Find the modulus of 2+3i Write 2+3i in polar form Find (2+3i) 7 Give your answer in rectangular form Sketch x 2 +y 2 =16 **answers to 10Q from last lesson. Finding equations of Loci.

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Argand diagram - PowerPoint PPT Presentation

Complex numbers

Complex Numbers

*Differentiation Q due Friday (hand in on paper) 2010 Q2: a &amp;amp; b

*Differentiation Q due Friday (hand in on paper) 2010 Q2: a & b