Sets
Telangana Board · Class 10 · Mathematics
All formulas from Sets in Telangana Board Class 10 Mathematics. Key equations, constants, and identities for board exam preparation.
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Formulas
Types of Sets and Counting Elements
n(φ) = 0
Cardinality of a finite set is a whole number
Roster Form and Set-Builder Form
Q = {x : x = p/q, p, q are integers and q ≠ 0}
A = {x : x is a multiple of 3, x < 20}
Subset, Proper Subset, and Equal Sets
A ⊆ B ⇔ a ∈ A ⇒ a ∈ B
⊂ denotes proper subset and ⊆ denotes subset
C ⊆ A and A ⊆ C ⇔ A = C
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