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Let complex numbers alpha and 1/alpha^-...

Let complex numbers `alpha` and `1/alpha^-` lie on circles `(x-x_0)^2+(y-y_0)^2=r^2` and `(x-x_0)^2+(y-y_0)^2=4r^2` respectively if `z_0=x_0+iy_0` satisfies the equation `2absz_0^2=r^2+2` then `absalpha=`

A

`1/sqrt2`

B

(1/2)

C

`1/sqrt7`

D

(1/3)

Text Solution

Verified by Experts

The correct Answer is:
C
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