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If P = (1, 0), Q = (-1, 0) and R = (2, 0) are three given points, then locus of the point S satisfying the relation (SQ)² + (SR)² = 2(SP)², is

1) a straight line parallel to x-axis 2) a circle passing through the origin 3) a circle with the centre... View Article

1) x + y = 1 2) x – y = 1 3) x + y + 1 = 0... View Article

1) 6 2) 5 3) 4 4) 3 Solution: Given y = x2 + 2x The abscissa are 1 and... View Article

1) 5/4 2) √10/4 3) √13/3 4) None of these Solution: Given points are A(3, 3) and B(7, 6). Here... View Article

1) –1 2) 0 3) 2 4) √3 Solution: Equation of a line in intercept form is x/a + y/b... View Article

1) 150 2) 450 3) 750 4) 900 Solution: Given x2 – y2 = 0 Here coefficient of x2 +... View Article

1) k1 = -1 2) k1 = 2k2 3) 2k1 = k2 4) none of these Solution: We know the... View Article

1) sec–1p 2) cos–1p 3) tan–1p 4) None of these Solution: Given x2 – 2pxy + y2 = 0 Comparing... View Article

1) Two parallel straight lines 2) Two perpendicular straight lines 3) Two lines passing through the origin 4) None of... View Article

1) ab = –1 2) a = –b 3) a = b 4) ab = 1 Solution: We know that... View Article

1) 450 2) 600 3) 900 4) 300 Solution: Given x2 – xy – 6y2 – 7x + 31y –... View Article

1) 2x2 = 2y (2x + y) 2) x2 + y2 + 3 = 0 3) 2x2 = y(2x +... View Article

1) 7/2 2) -19 3) -12 4) 12 Solution: Given 12x2 + 7xy + ay2 + 13x – y +... View Article

1) 900 2) 600 3) 750 4) 360 Solution: Given x2 – y2 – 2y – 1 = 0 ..(i)... View Article

1) p = 12, q = 1 2) p = 1, q = 12 3) p = –1, q =... View Article

1) 00 2) 450 3) 600 4) tan–1(-2) Solution: Given x2 – 2xy tan A – y2 = 0 Divide... View Article

1) 300 2) 450 3) 600 4) 900 Solution: Given λx2 + (1 – λ)2 xy – λy2 = 0... View Article

1) 450 2) 600 3) 900 4) 1800 Solution: Given xy = 0 => x = 0 or y =... View Article

1) 0 2) 1 3) 2 4) tan A Solution: Given y2 + kxy – x2 tan2 A = 0... View Article

1) θ1 = θ2 2) θ1 = 2θ2 3) 2θ1 = θ2 4) none of these Solution: We know that... View Article