Unit 4 • Class 10Optional Mathematics (OptMat.101)
Coordinate Geometry
निर्देशाङ्क ज्यामिति
Angle between two straight lines, homogeneous equation of second degree representing pair of lines passing through origin, condition for perpendicularity and coincidence, and circle equations.
High-Yield Exam Focus Questions (1)
High-probability exam questions curated specifically for Coordinate Geometry.
NEB PriorityCompulsory in SEE Optional Math Group D (5 Marks)5 Marks
Exam Rationale: CDC Class 10 Optional Mathematics Specification Grid: Homogeneous equation of second degree ax² + 2hxy + by² = 0 proof of acute angle tan θ = 2√(h² - ab) / (a + b) is the most repeated theoretical proof in optional mathematics.