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Intersection of two sets

  The intersection of sets can be denoted using the symbol '∩'. As defined above, the intersection of two sets A and B is   the set of all those elements which are common to both A and B . Symbolically, we can represent the intersection of A and B as A ∩ B.
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Algebraic identity

  Some Standard Algebraic Identities list are given below: Identity I: (a + b) 2 = a 2 + 2ab + b 2 Identity III: a 2 – b 2 = (a + b)(a – b) Identity IV: (x + a)(x + b) = x 2 + (a + b) x + ab. Identity V: (a + b + c) 2 = a 2 + b 2 + c 2 + 2ab + 2bc + 2ca
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Midpoint theorem

  In  geometry , the  midpoint  is the middle  point  of a  line segment . It is  equidistant  from both endpoints, and it is the  centroid  both of the segment and of the endpoints. It  bisects  the segment
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