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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

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

Given i + i2 + i3 + …. Upto 1000 terms


= (i + i2 + i3 + i4) + (i5 + i6 + i7 + i8) + … 250 brackets


Since in + in+1 + in + 2 + in + 3 = 0 where n ∈ N


= 0 + 0 + 0 … + 0


= 0


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25

Fill in the blanks of the following

The value of is ……………………………….

25

Fill in the blanks of the following

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

25

Fill in the blanks of the following

Multiplicative inverse of 1 + i 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 = ……..

Questions · 66
5. Complex Numbers and Quadratic Equations
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