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If the points A(1,1), B(-1,-1), C=(-sqrt...

If the points `A(1,1), B(-1,-1), C=(-sqrt(3), sqrt(3))` are the vertices of a triangle, then the triangle is

A

angled

B

isosceles

C

equilateral

D

none of these

Text Solution

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The correct Answer is:
C
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HIMALAYA PUBLICATION-COORDINATE SYSTEMS, LOCUS AND STRAIGHT LINES-QUESTION BANK
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  2. The coordinate axes are rotated about the origin O in the counter cloc...

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  4. The transformed equation of x^(2)+6 x y+8 y^(2)=10 when the axes are r...

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  5. The value of k for which the lines 2 x-3 y+k=0,3 x-4 y-13=0,8 x-11 y-3...

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  6. The transformed equation of 3 x^(2)+3 y^(2)+2 x y-2=0 when the coordin...

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  7. The distance of the line 2 x-3 y=4 from the point (1,1) measured paral...

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  8. The base vertices of an isosceles triangle P Q R are Q=(1,3) and R=(-2...

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  9. A ray of light coming from the point (1, 2) is reflected at a point A ...

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  10. The equation of the bisectors of the angles between the linex |x|=|y| ...

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  13. The straight lines x+y=0, 3x+y-4=0 and x+3y-4=0 form a triangle, which...

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  14. The lines a x+b y=c, b x+c y=a and c x+a y=b are concurrent, if

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  15. The area enclosed within the curve |x|+|y| = 1 is

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  16. The equation of the bisector of the acute angle between the lines 3 x-...

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  17. Locus of centroid of the triangle whose vertices are (a cos t, a sin ...

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  18. If the foot of the perpendicular from the origin to a line is at the p...

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  19. The distance between the lines 5 x-12 y+65=0 and 5 x-12 y-39=0 is

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