defence exam Agniveer Vayu Group X & XY Mock Test 01/2026 Mathematics Complex Numbers Algebraic Operations on Complex Numbers
यदि \(z = \frac{1 \ + \ 2i}{2 \ - \ i} - \frac{2 \ - \ i}{1 \ + \ 2i}\) हो तो z2 + z ̅z का मान क्या है? (i = √-1)
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0
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-1
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1
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