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The area (in square units) of the quadri...

The area (in square units) of the quadrilateral formed by two pair of the lines `l^(2)x^(2)-m^(2)y^(2)-n(lx+my)=0 and l^(2)x^(2)-m^(2)y^(2)+n(lx-my)=0`, is

A

`(n^(2))/(2|lm|)`

B

`(n^(2))/(|lm|)`

C

`(n)/(2|lm|)`

D

`(n^(2))/(4|lm|)`

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A
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