AMU Engineering 2019 solved paper Solved Paper

Section: Mathematics

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Question : 108 of 150

Marks: +1, -0

A real value of x will satisfy the equation (

3−4ix

3+4ix

)=α−iβ(α,β are real ), if

α2+β2=−1
α2−β2=1
α2+β2=1
α2−β2=−1

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