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If x+iy= sqrt(((a+ib))/((c+id))), then x...

If `x+iy= sqrt(((a+ib))/((c+id)))`, then `x^2+y^2` equals :

A

`(a^2+b^2)(c^2 +d^2)`

B

`sqrt((a^2-b^2) (c^2 -d^2))`

C

`(a^2-b^2)(c^2 -d^2)`

D

`sqrt((a^2+b^2) / (c^2 +d^2))`.

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MODERN PUBLICATION-LINEAR INEQUATIONS-EXERCISE
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  11. Let z and w be two complex numbers such that |z|le1, |w|le1 and |z-iw|...

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  18. Which one of the following is one of the roots of the equation (b-c) x...

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  19. What is the value of x satisfying the equation : 16((a-x)/(a+x))^3= (a...

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