Question

express each of the complex number given in the exercises 1 to 10 in the form a+ib. 1. (1 -i) - (-1+ i6)

Answer 1

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The form required is a + ib __(1)
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Given,
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$\bf \: \: = > (1 - i) - ( - 1 + i6) \\ \\ \bf = 1 - i + 1 - i6 \\ \\ = \bf \: 2 - i7......(2)$
Comparing equation (1) and (2), we get
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$\bf \: \: a = 2 \\ \\ \bf \: \: b = - 7$
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