Recent content by Mandynash

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    Logarithm of a Complex number question?

    Homework Statement The question is located here http://i51.tinypic.com/2cge9mt.jpg Homework Equations My a value is -3 my b value is -3sqrt(2) my c value is -2.4 The Attempt at a Solution 1) ln(-3 - 3 sqrt(2) i) = Ln |-3 - 3 sqrt(2) i| + i arg(-3 - 3 sqrt(2) i) = ln...
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    Exponential function of a complex number question?

    Homework Statement The question is located here http://i51.tinypic.com/nex2q1.jpg Homework Equations The value I have been given for a) is 5 The value I have been given for b) is 5PI/6 The Attempt at a Solution Note that e^(a + bi) = e^a e^(bi) = e^a (cos b + i sin b). (e^a is...
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    Solution to real and complex polynomial function?

    Homework Statement Hi, I have been given the polynomial function P(z)=4z^4 -12z^2 +3z +19 I need to Establish the main technique/s required to solve the polynomial. Then I need to find the solution of the polynomial? Any help would be greatly appreciated because I have no idea where to...