# HW8 - HW8 Tian Gu Code 815 Problem 1 z= 3-2j a What should...

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HW8 Tian Gu Code: 815 10/25/2010 Problem 1 z= +3-2j a) What should be to that z is purely real? Please provide your answers in degrees and radians b) What should it be for z to be purely imaginary? Please provide your answers in degrees and radians m= (2-xj)( ) b) What should x be for m to be purely real

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d) What should x be for m to be purely imaginary Problem 2 Probability John knows that in a drawer he has 6 pairs of socks. There are 3 pairs of black and 3 pairs of blue socks. He needs to put a suit on for a meeting, and there is no light in the house. So he has to choose in dark and will not be able to see the colors. He want to only pick the minimum number of socks that he needs (he is a nerd!) and take them to the care and put the socks on. So he is going to use probability to solve this problem a) What is the minimum number of socks that he needs to pick to make sure that he has at least one pair of blue socks? b) What is the minimum for choosing at least one pair of black socks?
c) What is the minimum number of socks that he needs to choose to make sure that he has a pair (either black or white) Problem 3 Matrix practice Put the following equations in the Matrix form. You are given the following 2 equations

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HW8 - HW8 Tian Gu Code 815 Problem 1 z= 3-2j a What should...

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