17 JEE Main 2023 Straight Lines previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2023 previous-year questions from the Straight Lines chapter of Mathematics. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Straight Lines chapter hub.
The combined equation of the two lines a x + b y + c = 0 and a ' x + b ' y + c ' = 0 can be written as a x + b y + c a…
If α ,   β is the orthocenter of the triangle A B C with vertices A 3 ,   – 7 ,   B R…
A straight line cuts off the intercepts OA=a and OB=b on the positive directions of x-axis and y- axis respectively. If…
Let B and C be the two points on the line y + x =0 such that B and C are symmetric with respect to the origin. Suppose…
A triangle is formed by X -axis, Y -axis and the line 3 x + 4 y = 60 . Then the number of points P a , b which lie stri…
The straight lines l 1 and l 2 pass through the origin and trisect the line segment of the line L : 9 x + 5 y = 45 betw…
A light ray emits from the origin making an angle 30 ° with the positive x-axis. After getting reflected by the li…
The equations of the sides A B ,   B C   &   C A of a triangle A B C are 2 x + y = 0 , x + p y = 21…
Let A ( 0 , 1 ) ,   B ( 1 , 1 ) and C ( 1 , 0 ) be the mid-points of the sides of a triangle with incentre at the…
If the orthocentre of the triangle, whose vertices are 1 , 2 , 2 , 3 and 3 , 1 is α , β , then the quadratic…
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