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UPSC IFOS Mathematics Paper I Syllabus

Indian Forest Service Examination

6
Topics
43
Sub-topics
8
Questions

Mathematics Paper I is one of 32 sections in the UPSC IFOS syllabus. It has 6 topics and 43 sub-topics, tested in Main Examination, with about 8 questions (200 marks). Optional subject, Paper I (200 marks, 3 hours, conventional essay type, answered in English). The paper has 8 questions in Parts A and B; candidates attempt 5, including one compulsory question from each part. Candidates choose any two of the 14 optional subjects..

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UPSC IFOS Mathematics Paper I: topic-wise syllabus

  1. 1

    Linear Algebra

    Section A

    • Vector spaces, subspaces, bases and dimension
    • Linear dependence and independence
    • Matrices and Cayley-Hamilton theorem
    • Eigenvalues and eigenvectors
    • Matrix of a linear transformation
    • Rank, echelon form and canonical forms
    • Orthogonal, symmetric, unitary and hermitian matrices
    • Quadratic and hermitian forms
  2. 2

    Calculus

    Section A

    • Limits, continuity and differentiability
    • Mean value theorems and Taylor's theorem
    • Indeterminate forms, maxima, minima and asymptotes
    • Functions of several variables and partial derivatives
    • Lagrange's multipliers and Jacobian
    • Definite, improper integrals, beta and gamma functions
    • Double and triple integrals
    • Areas, surfaces, volumes and centre of gravity
  3. 3

    Analytic Geometry

    Section A

    • Cartesian and polar coordinates in two and three dimensions
    • Second degree equations and canonical forms
    • Straight lines and shortest distance between skew lines
    • Plane, sphere, cone and cylinder
    • Paraboloid, ellipsoid and hyperboloids
  4. 4

    Ordinary Differential Equations

    Section B

    • Formation, order and degree
    • First order first degree equations and integrating factor
    • Equations not of first degree and Clairaut's equation
    • Singular solutions
    • Higher order linear equations with constant coefficients
    • Euler-Cauchy equation
    • Second order equations with variable coefficients
    • Variation of parameters
  5. 5

    Dynamics, Statics and Hydrostatics

    Section B

    • Rectilinear and simple harmonic motion
    • Projectiles and constrained motion
    • Work, energy and impulsive forces
    • Kepler's laws and central orbits
    • Equilibrium, friction and common catenary
    • Virtual work and stability of equilibrium
    • Fluid pressure, centre of pressure and thrust
    • Floating bodies and metacentre
  6. 6

    Vector Analysis

    Section B

    • Scalar and vector fields and triple products
    • Gradient, divergence and curl
    • Vector identities
    • Curves in space, curvature and torsion
    • Serret-Frenet formulae
    • Gauss and Stokes' theorems and Green's identities

Frequently asked questions

What topics are in the UPSC IFOS Mathematics Paper I syllabus?

Mathematics Paper I for UPSC IFOS has 6 topics: Linear Algebra, Calculus, Analytic Geometry, Ordinary Differential Equations, Dynamics, Statics and Hydrostatics and Vector Analysis, with 43 sub-topics in all.

How many questions come from Mathematics Paper I in UPSC IFOS?

About 8 questions (200 marks) in Main Examination. Always check the latest notification, as numbers can change.

How do I practise UPSC IFOS Mathematics Paper I on Topicly?

Pick a topic above and study it your way — step-by-step chat, a quiz, a formula sheet or a voice call with Sia. Topicly tracks each sub-topic so you know what's left. It's free to start.

A study guide, not an official notice. Always confirm with the conducting body's latest notification. See the full exam page for any recorded source, check date and coverage limits.