1) l = m + n 2) m = l + n 3) n = l + m 4) l + m + n = 0 Solution: Given lx + my + n = 0, mx + ny + l = 0, nx + ly + m = 0 are concurrent. So... View Article
1) All a 2) a = 4 only 3) –1≤ a ≤ 3 4) a > 0 only Solution: If 2x + y - 1 = 0, ax + 3y - 3 = 0 and 3x + 2y - 2 = 0 are concurrent, Then... View Article
1) Only one solution 2) No solution 3) Infinite solution 4) None of the above Solution: x + y = 10 …(i) 2x + y = 18 …(ii) 4x - 3y = 26... View Article
1) 4 2) 2 3) 3 4) 1 Solution: Since the coordinate axes meet at right angles, the lines that are equally inclined will be making 450 and... View Article
1) y = ± x 2) y = ± 2x 3) y = ± (½)x 4) y = ± 3x Solution: We know the equation of the x-axis is y = 0 Equation of y-axis is x = 0 X-axis... View Article
(1) π/3 (2) π/2 (3) 3π/2 (4) π/4 Solution: Given vertices of the parallelogram are (0,0), (1,0), (2,2) and (1,2) Slope of first diagonal,... View Article
1) 90o 2) 30o 3) 60o 4) None of these Solution: x cos 30o + y sin 30o = 3 …(i) => y = -cot 300 x + 3/sin 300 => y = -√3 x + 6 Slope,... View Article
1) form a triangle 2) are only concurrent 3) are concurrent with one line bisecting the angle between the other two 4) None of the above... View Article
