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Let z1 be a complex number of modulus unity and z2 be a complex number given by z^2 = z21 - z1 .

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Let z1 be a complex number of modulus unity and z2 be a complex number given by z2 =  z21 - z1  . If  arg z1 = θ then |z| is equal to

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Correct option (A) 2|sinθ/2|

Explanation:

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