PointHard
Question
Lines, L1 : x + 
= 2, and L2 : ax + by = 1, meet at P and enclose an angle of 45o between them. Line L3 : y = , also passes through P then -
= 2, and L2 : ax + by = 1, meet at P and enclose an angle of 45o between them. Line L3 : y = , also passes through P then -Options
A.a2 + b2 = 1
B.a2 + b2 = 2
C.a2 + b2 = 3
D.a2 + b2 = 4
More Point Questions
The distance of orthocentre of the triangle (2, 3), (4, 5) and (−1, 10) from (2, 3) is -...Area of the triangle with vertices (4, 4) ; (3, −2) and (3, −16) is -...The ratio in which x-axis divides the join of the points (2, −3) and (5, 6) is -...If the middle point of the line segment joining the points (5, a) and (b, 7) be (3, 5), then (a, b) is -...If A(c, 0) and B(−c, 0) are two points, then the locus of a point P which moves such that PA2 + PB2 = AB2 is -...