Subtract. Write the result in the form a+b i

label Algebra
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Subtract (9+i)-(-3-5i) in the form a+b i

Nov 12th, 2014

You can subtract the i and not-i bits separately.

9-(-3) = 12

i-(-5i) = 4i

so the final answer is 12+4i.

Nov 12th, 2014

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Nov 12th, 2014
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Nov 12th, 2014
Jun 27th, 2017
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