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means 'the sum of .. .'
a line segment joining two points on the circumference of the circle. A chord also cuts the...
a pair of surds which multiply together to give a rational number..
a function in which a unique element of the domain is associated with only one corresponding...
is a set that describes the union of two or more subsets, all the overlapping numbers are listed...
for two or more terms, a common factor is the number or variable that divides into all the terms...