queenbatgurl
queenbatgurl
12-09-2017
Mathematics
contestada
solve the equation (6+2i)(3i)
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kettboy
kettboy
12-09-2017
[tex]3i(6+2i) = 18i+6i^2 = 6i(3+i)[/tex] if i is a variable
[tex]3i(6+2i) = 18i+6i^2=18i+6(-1) = -6+18i = 6(-1+3i)[/tex] if i is the imaginary unit defined by i²=-1
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