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The Caribbean Examinations Council (CXC) is an examination board in the Caribbean. [ 1 ] [ 2 ] It was established in 1972 [ 3 ] under agreement by the participating governments in the Caribbean Community to conduct such examinations as it may think appropriate and award certificates and diplomas on the results of any such examinations so conducted.
There aren't any practical tests for the Art subject. The candidates face an exam paper and are asked to draw. For Literature subjects, namely English Literature, Sinhala Literature, Tamil Literature and Arabic Literature, there is not any practical test. Candidates only face a written examination in which their writing abilities are evaluated.
A feasible solution that minimizes (or maximizes) the objective function is called an optimal solution. In mathematics, conventional optimization problems are usually stated in terms of minimization. A local minimum x* is defined as an element for which there exists some δ > 0 such that
Trivial may also refer to any easy case of a proof, which for the sake of completeness cannot be ignored. For instance, proofs by mathematical induction have two parts: the "base case" which shows that the theorem is true for a particular initial value (such as n = 0 or n = 1), and the inductive step which shows that if the theorem is true for a certain value of n, then it is also true for the ...
A mathematical problem is a problem that can be represented, analyzed, and possibly solved, with the methods of mathematics.This can be a real-world problem, such as computing the orbits of the planets in the solar system, or a problem of a more abstract nature, such as Hilbert's problems.
A hedge fund is a pooled investment fund that holds liquid assets and that makes use of complex trading and risk management techniques to aim to improve investment performance and insulate returns from market risk.
Acid leach solutions from some copper mines can contain large quantities of Fe(III) as well as Cu(II). The "free acid" (sulfuric acid) content of these leach solutions is a critical process parameter. While thermometric titrimetry can determine the free acid content with modest amounts of Fe(III), in some solutions the Fe(III) content is so ...
A landmark paper in 1980 by Marilyn Epstep, now M. Fogel, and Thomas Hoering titled "Biogeochemistry of the stable hydrogen isotopes" refined the links between organic materials and sources. [ 24 ] In this early stage of hydrogen stable isotope study, most isotope compositions or fractionations were reported as bulk measurements of all organic ...