1) √11/3 2) √13/3 3) √7/3 4) 1/3 Solution: (3) √7/3 \(\begin{array}{l}\lambda x^{2}+(2 \lambda-3) y^{2}-4 x-1=0 \rightarrow(1)\\ \therefore a=\lambda, b=2... View Article
1) x2 + y2 – 4y + 3 = 0 2) x2 + y2 – 2y – 2 = 0... View Article
1) x2 + y2 – 4x – 6y – 16 = 0 2) x2 + y2 – 4x – 6y... View Article
1) y2 + 6x = 0 2) y2 + 6x = 13 3) y2 + 6x = 10 4) x2... View Article
1) x2 + y2 ± 4x ± 8y = 0 2) x2 + y2 ± 2x ± 4y = 0... View Article
1) 4π 2) 3π 3) 2π 4) π Solution: (4) π \(\begin{array}{l}4 x+3 y=15\\ 4 x+3 y=5\\ \therefore \text \... View Article
1) -5, 5 2) -5, 5 3) 5, – 5 4) None of these Solution: (2) -5, 5 Let the... View Article
1) x2 + y2 + 2x – 2y = 62 2) x2 + y2 + 2x – 2y = 47... View Article
1) (1/2, – (1/2)) 2) (1/2, 1/3) 3) (-1, 0) 4) (-(1/2), 1/2) Solution: (4) (-(1/2), 1/2) Let equation of... View Article
1) 2 < r < 8 2) r < 2 3) r = 2 4) r > 2 Solution: (1)... View Article
1) (b/2, a/2) 2) (a/2, b/2) 3) (b, a) 4) (a, b) Solution: (2) (a/2, b/2) The equation of a... View Article
1) √2 2) 2√2 3) 3√2 4) 2√3 Solution: (2) 2√2 \(\begin{array}{l}\begin{array}{l} \text { Mid point } =\left(\frac{4+0}{2}, \frac{0+4}{2}\right) \\... View Article
1) 4 2) 5 3) 6 4) 8 Solution: (4) 8 The equation of circle is (x – 4)(x +... View Article
1) -85 < m < – 35 2) -35 < m < 15 3) 15 < m < 65 4)... View Article
1) x2 + y2 = 1 2) x(x – 1) + y(y – 1) = 0 3) x2 + y2... View Article
1) x + y = 2 2) x2 + y2 = 1 3) x2 + y2 = 2 4) x... View Article
1) (-(3/2), 0) 2) (-(5/2), 2) 3) (-(3/2), 5/2) 4) (-4, 0) Solution: (4) (-4, 0) Circle touching y-axis at... View Article
1) 4x2 + 4y2 – 30x – 10y – 25 = 0 2) 4x2 + 4y2 + 30x – 13y... View Article
1) 10, 5 2) 15, 20 3) 12, 16 4) 5, 15 Solution: (4) 5, 15 \(\begin{array}{l}10^{2}+7^{2}-4 \times 10-2 \times... View Article
1) 5, -35 2) -5, 35 3) 7, – 32 4) -7, 32 5) None of these Solution: (1) 5,... View Article
