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If z is a complex number, then the minimum value of z + z − 1 is ______.
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Mar 27
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Complexnumber
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Brainiak
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jeemain
complexnumbers
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If (1 + i) (1 + 2i) (1 + 3i) ….. (1 + ni) = x + iy, then what is 2 * 5 * 10….(1 + n2) is equal to?
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Mar 27
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Complexnumber
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Brainiak
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jeemain
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If x = √3/2 + i/2(i = √1), then (1 + iz + z5 + iz8)9 is equal to 
asked
Mar 15
in
Complexnumber
by
Gyani

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jeemain2019maths
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1
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If (z  α)/(z + α) (α ∈ R) is a purely imaginary number and z = 2, then a value of α is :
asked
Mar 15
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Complexnumber
by
Bharat

62
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jeemain2019maths
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1
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Let A={θϵ(π/2π):3+2isinθ/12isinθ is purely imaginary} then the sum of elements in A is
asked
Mar 14
in
Complexnumber
by
Sarthak

36
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complexnumbers
jeemain
jeemain2019maths
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