define the term group theory
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Answer:
Groups are sets equipped with an operation (like multiplication, addition, or composition) that satisfies certain basic properties.
1.number theory = For instance, they attached significance to perfect numbers—i.e., those that equal the sum of their proper divisors. Examples are 6 (whose proper divisors 1, 2, and 3 sum to 6) and 28 (1 + 2 + 4 + 7 + 14).
2.two expressions formulated by applying to a set of variables thealgebraic operations, namely, addition, subtraction, multiplication, division, raising to a power, and extraction of a root.Examples are x3 + 1 and (y4x2 + 2xy – y)/(x – 1) = 12.
3. Geometry = Geometry is the part of mathematics that studies the size, shapes, positions and dimensions of things.
Group Theory
Groups are sets equipped with an operation (like multiplication, addition, or composition) that satisfies certain basic properties.