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Questions  

Number of equilateral triangles with y=3x-1+2 and y=3x as two of its sides, is

a
0
b
1
c
2
d
none of these

detailed solution

Correct option is D

The sides are, y=3x-1+2 and y=-3xThe two lines are at an angle of 60° to each other. Now any line parallel to obtuse angle bisector will make equilateral triangle with these lines as its two sides.

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