Relative Position of a Point with Respect to a Line
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If the points (1, 2) and (3, 4) were to be on the same side of the line 3x-5y+a=0 then
7<a<11
a=11
7<a<11
a<7 or a>11
Each of the four inequalities given below defines a region in the plane. One of these regions does not have the following property. For any points and in the region, the point is also in the region. The inequality defining this region is
- (−3, 12)
- (0, 12)
- (3, ∞)
- (12, 3)
- (0, π2)
- (0, π4)
- (π4, π2)
- (π4, 3π4)
The following points A(2a, 4a), B(2a, 6a) and C(2a+√3a, 5a), (a > 0) are the vertices of
An acute angled triangle
A right angled triangle
An isosceles triangle
None of these
Orthocentre of the triangle formed by the lines x + y = 1 and xy = 0 is
(0, 1)
(1, 0)
(-1, 1)
(0, 0)
If X = {4n - 3n - 1 : n ∈ N} and Y = { 9(n-1) : n ∈ N}, then
X ∪ Y is equal to
X
Y
N
None of these
- Point lies on the same side of the lines
- Point lies on the different sides of the line
- Point lies on one of the line
- None of these
If |z|=2, then the points representing the complex numbers -1+5z will lie on a
Straight line
Parabola
Circle
None of these
The following points A(2a, 4a), B(2a, 6a) and C(2a+√3a, 5a), (a > 0) are the vertices of
An acute angled triangle
A right angled triangle
An isosceles triangle
None of these
The pair of straight lines joining the origin to the points of intersection of the line y = 2√2x+c and the circle x2+y2=2 are at right angles, if