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Formula Sheet

Relations And Functions — Formula Sheet

MHT-CET · Mathematics

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

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A diagram illustrating a relation from set X to set Y, clearly showing the domain, range, and co-domain within the context of the sets and the mapping.
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Formula Sheet — Relations And Functions

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

Formulas — Relations And Functions

Cartesian Product

X × Y = {(x, y) : x ∈ X, y ∈ Y}
n(X × Y) = n(X) × n(Y)

Relations

Total relations from A to B = 2^(n(A)×n(B))

Functions

Total functions from A to B = (n(B))^(n(A))

Special Functions

Identity function: f(x) = x
Constant function: f(x) = c
Modulus function: f(x) = |x| = {x if x≥0, -x if x<0}
Signum function: sgn(x) = {1 if x>0, 0 if x=0, -1 if x<0}
Greatest Integer function: f(x) = [x]

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Frequently Asked Questions

What topics are covered in Relations And Functions for MHT-CET?
Relations And Functions is an important chapter in MHT-CET Mathematics. It covers key concepts and formulas that are frequently tested in the exam. Key topics include: Cartesian Product of Sets, Relations, Functions, Types of Functions.
How important is Relations And Functions for MHT-CET?
Relations And Functions is a frequently tested chapter in MHT-CET Mathematics. Questions from this chapter appear regularly in previous year papers. There are 200 practice questions available for this chapter.
How to prepare Relations And Functions for MHT-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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