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The lines (lx+my)^2-3(mx-ly)^2=0 and lx+...

The lines `(lx+my)^2-3(mx-ly)^2=0` and `lx+my+n=0` forms

A

an isosceles triangle

B

a right angled triangle

C

an equilateral triangle

D

an obtuse triangle

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The correct Answer is:
C
NA
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TARGET PUBLICATION-PAIR OF STRAIGHT LINES-CRITICAL THINKING
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