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Key Topics in JEE Main Mathematics

May 22, 2025

JEE Main Mathematics Topics

1. Application of Derivatives

Important Concepts

  • Slope of a Curve: The slope of the normal at any point is equal to the ratio of ordinate and abscissa.
  • Tangents and Normals: Equation of tangent line using parametric equations.
  • Shortest Distance: Calculating the shortest distance between a line and a curve.
  • Orthogonality: Curves are orthogonal if their tangent slopes are negative reciprocals.
  • Critical Points: Identify local minima, maxima, and points of inflection.

Key Questions

  • Find the curve passing through a point and satisfying given slope conditions.
  • Calculate the angle between a line and a circle at points of intersection.
  • Determine the shortest distance between a line and a curve.

2. Area Under Curves

Important Concepts

  • Graphical Interpretation: Interpretation of areas bounded by different curves.
  • Definite Integrals: Calculating areas using integration.
  • Volume of Solids: Volume of solids of revolution.
  • Closed Regions: Area enclosed by parabolas and lines.

Key Questions

  • Calculate the area bounded by curves and coordinate axes.
  • Find volumes of solids formed by rotating areas around an axis.

3. Continuity and Differentiability

Important Concepts

  • Continuity: Conditions for a function to be continuous.
  • Differentiability: Points of non-differentiability and using derivative rules.
  • Rolle's Theorem: Application of mean value theorem.

Key Questions

  • Find points where functions are not differentiable.
  • Use Rolle's theorem to find specific values.

4. Definite Integration

Important Concepts

  • Properties of Integrals: Using symmetry and periodic properties.
  • Techniques of Integration: Substitution, partial fractions, and by parts.

Key Questions

  • Evaluate integrals using different techniques.
  • Find integral values for given functions.

5. Differential Equations

Important Concepts

  • Order and Degree: Understanding order and degree of differential equations.
  • Solving Differential Equations: Techniques including separation of variables.
  • Application of Integration: Applying initial conditions to find particular solutions.

Key Questions

  • Solve differential equations with given initial conditions.
  • Find the orthogonal trajectory of given curves.

6. Sets and Relations

Important Concepts

  • Types of Relations: Reflexive, symmetric, and transitive properties.
  • Operations on Sets: Union, intersection, and complement of sets.

Key Questions

  • Analyze sets with given properties and operations.
  • Determine the number of elements in set operations.

7. Functions

Important Concepts

  • Domain and Range: Determining the domain and range for functions.
  • One-One and Onto: Identifying injective and surjective functions.
  • Inverse of Functions: Calculating inverse functions.

Key Questions

  • Find the domain and range of functions involving logs and trigonometric functions.
  • Determine whether a function is one-one, onto, or both.

This summary covers the main topics found in the JEE Main Mathematics syllabus, focusing on application techniques, key concepts, and example questions for practice. For detailed problem-solving and proofs, refer to textbooks and practice problems.