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Formula Sheet

Relations And FunctionsFormula Sheet

HP CET · Mathematics

Free Relations And Functions formula sheet for HP CET Mathematics 2026 — all important formulas, equations, and constants for quick reference.

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A visual representation of a relation R from set A to set B as a subset of the Cartesian product A x B, showing elements of A mapped to elements of B.
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Formula Sheet — Relations And Functions

Important formulas and equations from Relations And Functions for HP CET Mathematics.

Formulas — Relations And Functions

Basic Definitions and Concepts

Total Relations from A to B = 2^(mn)
Total Functions from A to B = n^m
Onto Functions = n^m - C(n,1)(n-1)^m + C(n,2)(n-2)^m - ... + (-1)^(n-1)C(n,n-1)1^m

Types of Relations

Types of Functions

Composition and Inverse Functions

(gof)(x) = g(f(x))
f⁻¹(y) = x ⟺ f(x) = y
(fog)⁻¹ = g⁻¹of⁻¹

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Frequently Asked Questions

What topics are covered in Relations And Functions for HP CET?
Relations And Functions is an important chapter in HP CET Mathematics. It covers key concepts and formulas that are frequently tested in the exam. Key topics include: 1.2 Types of Relations - Problem-Solving Approach, 1.3 Types of Functions - Step-by-Step Analysis, 1.4 Composition and Invertible Functions - Advanced Problem Solving.
How important is Relations And Functions for HP CET?
Relations And Functions is a frequently tested chapter in HP CET Mathematics. Questions from this chapter appear regularly in previous year papers. There are 348 practice questions available for this chapter.
How to prepare Relations And Functions for HP CET?
Start by understanding the core concepts, then solve practice questions. Focus on formulas and their applications. Use revision notes for quick review before the exam.

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Practice questions, revision notes, formula sheet and AI doubt-solver for HP CET Mathematics.