If A(-1, 0), B(1, 0) and C(3, 0) are thr...

If `A(-1, 0), B(1, 0) and C(3, 0)` are three given points, then the locus of point `D` satisfying the relation `DA^2 + DB^2 = 2DC^2` is (A) a straight line parallel to x-axis (B) a striaght line parallel to y-axis (C) a circle (D) none of these

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x^2-x y+y^2-4x-4y+16=0 represents a. a point b. a circle c. a pair...
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The straight line (x-3)/3=(y-2)/1=(z-1)/0 is (a)Parallel to x-axis ...
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A point P moves on line 2x-3y+4=0 If Q(1,4) and R(3,-2) are fixed poin...
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The straight line (x-3)/3=(y-2)/1=(z-1)/0 is (A) Parallel to x-...
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