SYMBOLS
Chapter 9: Front Matter · Maths · EN medium
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is equal to ! is not equal to less than # less than or equal to greater than $ greater than or equal to equivalent to j union k intersection U universal Set belongs to does not belong to proper subset of subset of or is contained in Y not a proper subset of M not a subset of or is not contained in A l (or) A complement of A Q (or) { } empty set or null set or void set n ( A ) number of elements in the set A
📖 Class 10 Mathematics English 2025 Edition www.tntextbooks.in (1) · Page 3
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is equal to ! is not equal to less than # less than or equal to greater than $ greater than or equal to equivalent to j union k intersection U universal Set belongs to does not belong to proper subset of subset of or is contained in Y not a proper subset of M not a subset of or is not contained in A l (or) A complement of A Q (or) { } empty set or null set or void set n ( A ) number of elements in the set A
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