CBSE 11th Standard Maths Subject Straight Lines Ncert Exemplar 2 Marks Questions With Solution 2021
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CBSE 11th Standard Maths Subject Straight Lines Ncert Exemplar 2 Marks Questions With Solution 2021
11th Standard CBSE
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Reg.No. :
Mathematics
2 Marks
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A variable line passes through a fixed point P. The algebraic sum of the perpendiculars drawn from the points (2, 0), (0, 2) and (1, 1) on the line is zero. Find the coordinates of the point P.
(a) -
If p is the length of perpendicular from the origin on the line \(\frac { x }{ a } +\frac { y }{ b } =1\) and a2 , p2 and b2 are in AP, then show that a4 + b4 = 0.
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If the coordinates of the middle point of the portion of a line intercepted between the coordinate axes is (3, 2), then find the equation of the line.
(a) -
Find the equation of line passing through the point \((a\ { cos }^{ 3 }\theta ,\ a \ sin^{ 3 } \ \theta )\) and perpendicular to the line \(x \sec \theta+y \operatorname{cosec} \theta=a\) .
(a) -
A ray of light passing through the point (1, 2) reflects on the x-axis at point A and the reflected ray passes through the point (5, 3). Find the coordinates of A.
(a)
