1) x – y + 1 = 0, x + y + 1 = 0 2) x – y – 1 = 0, x + y – 1 = 0 3) x – y – 1 = 0, x + y + 1 = 0 4) None of these Solution: There will be two... View Article
1) m = â…”, c =5 2) m = -â…”, c = 5 3) m = -â…”, c = any real number 4) None of these Solution: Given 2x + 3y = 5 ..(i) Here slope = -2/3 y = mx +... View Article
1) b/(1 + a) 2) -b/(1 + a) 3) a/(1 + b) 4) None of these Solution: Given ax2 - bxy - y2 = 0 make angles α and β with the x-axis. So tan α... View Article
1) 2a2 2) a2/2 3) √3a2/2 4) 2a2/√3 Solution: Given x2 - 4y2 = 0 and x = a are the sides of the triangle. x2 - 4y2 = 0 => (x - 2y)(x + 2y)... View Article
1) x2 - y2 = -4 2) x2 - y2 = 4 3) (x + y - 1)(x - y - 4) = 0 4) (x + y + 1)(x - y + 4) = 0 Solution: Given equation of the lines are x + y =... View Article
1) ∆ = 0 and h2 = ab 2) ∆ = 0 and a + b = 0 3) ∆ = 0 and h2 = ab, g2 = ac, f2 = bc 4) h2 = ab, g2 = ac and f2 = bc Solution: Given f(x,y) =... View Article
1) Two parallel straight lines 2) Two perpendicular straight lines 3) Two intersecting lines 4) None of these Solution: Given f(x,y) = 0 in... View Article
1) x - y cot θ = 0 2) x + y tan θ = 0 3) y sin θ + x (cos θ + 1) = 0 4) x cos θ + y (sin θ + 1) = 0 Solution: Given x2 - 2xy cot θ - y2 = 0... View Article