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The rule of Sarrus is a mnemonic for the expanded form of this determinant: the sum of the products of three diagonal north-west to south-east lines of matrix elements, minus the sum of the products of three diagonal south-west to north-east lines of elements, when the copies of the first two columns of the matrix are written beside it as in ...
DET is an adaptive test that uses an algorithm to adapt the difficulty of the test to the test-taker. [ 1 ] [ 2 ] [ 3 ] It was developed by Duolingo in 2014 as Test Center [ 4 ] and grew in popularity and acceptance at universities during the COVID-19 pandemic .
The Duolingo English Test (DET) is an online English proficiency test that measures proficiency in reading, writing, speaking, and listening in English. It is a computer-based test scored on a scale of 10–160, with scores above 120 considered English proficiency. The test's questions algorithmically adjust to the test-takers' ability level.
J. R. R. Tolkien accompanied his Middle-earth fantasy writings with a wide variety of non-narrative materials, including paintings and drawings, calligraphy, and maps.In his lifetime, some of his artworks were included in his novels The Hobbit and The Lord of the Rings; others were used on the covers of different editions of these books, and later on the cover of The Silmarillion.
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Apart from an occasional portrait or map, 18th century fiction was not usually illustrated, as publishers did not commission illustrations for new novels. In the novel The History of Tom Jones, a Foundling , the author Henry Fielding refers to paintings by William Hogarth in order to explain what some of his characters look like.
Medical illustrations have been made possibly since the beginning of medicine [1] in any case for hundreds (or thousands) of years. Many illuminated manuscripts and Arabic scholarly treatises of the medieval period contained illustrations representing various anatomical systems (circulatory, nervous, urogenital), pathologies, or treatment methodologies.