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5. Complex Numbers and Quadratic Equations
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Q25 of 66 Page 91

Fill in the blanks of the following

Multiplicative inverse of 1 + i is ………………..

Explanation:


Given 1 + i




= 1/2 (1 – i)


∴ Multiplication inverse of 1 + i is 1/2 (1 – i).


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The number (1-i)^3/1-i^3 is equal to ………………..

25

Fill in the blanks of the following

The sum of the series i + i2 + i3 + …. Upto 1000 terms is…………

25

Fill in the blanks of the following

If z1 and z2 are complex numbers such that z1 + z2 is a real number, then z2 = ……..

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Fill in the blanks of the following

arg (z) + arg is …………….

Questions · 66
5. Complex Numbers and Quadratic Equations
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