Like and Unlike Algebraic Terms       Similar or Like Terms  In an algebraic expression, like terms are terms that have same variables with same exponents and only the numerical coefficients of like terms are different. The terms must have the same variables and the same exponents. 3x, 7x, 8x, 12x, x, -4x, -9x  all […]

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Finite and Infinite Sets Definition – Examples – Properties Definition:                                          Finite Sets If a set contains finite or limited or (countable) number of elements is called Finite Set. Examples of finite sets: Example: (i) The vowels in English alphabets. A = {a, […]

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Sets and Venn Diagrams The relationship between sets can be represented by diagrams is known as Venn Diagrams. In venn diagrams,  1. A rectangle is represent a universal set. 2. Circles or ovals are represent other subsets of the universal set. Example: The set of Natural numbers is a subset of set of Whole numbers, which […]

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Disjoint Sets – Overlapping Sets  Definition:  Two are more sets are said to be ‘Disjoint sets’, if they have no common elements. or Disjoint sets are sets, whose Intersection is the empty set. Disjoint sets are also known as Non Overlapping sets.                   Let A and B are two […]

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Set Theory : Equal and Equivalent Sets Definition & Examples:         Equal Sets  The two given sets have member of elements and the number of elements are exactly same, then the sets are called Equal Sets.  The elements could be anything like picture, numbers, alphabets.  The repetition of elements and the order of […]

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Union of sets Definition: The Union of two sets A and B is the smallest set, which contains all the elements of both sets and taking every element of both sets A and B, without repeating any element, or common elements being taken only once. The symbol ‘∪’ used for the Union of two sets. Symbolically, we write union […]

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