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The value of k so that x^(2)+y^(2)+kx + ...

The value of k so that `x^(2)+y^(2)+kx + 4y+ 2=0` and `2(x^(2) + y^(2)) - 4x - 3y + k = 0` cut orthogonally is 

A

`(10)/(3)`

B

`(-8)/(3)`

C

`(-10)/(3)`

D

`(8)/(3)`

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The correct Answer is:
B
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