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Maths recap, Vector, Surds, inequality, Absolute value - Coggle Diagram
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Vector
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position vector. (from origin- (0,0))
coordinate A (3,4). OA--> = (3/4)
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Surds
Traditional number root2, root 3. perfect square number, and another number can be simplified.
addition and subtraction of surds the must-have like terms in order to be added or subtracted. just like how you add and subtract algebraic terms
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inequality
at least, not lesser than ≥ at most, not more than ≤. more than > less than <
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