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Maths MCQs for Class 12 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern. - 1 138 Chapter 5. VECTOR SPACES33 5.1. The vector space R3, likewise is the set of ordered triples, which describe all points and directed line segments in 3-D space. Deﬁnition 1.1.1. Class 11 Physics – Important Question answer for students preparing for XI Board … Physics Multiple Choice Questions (MCQs) on the topic of Circular Motion. Background 33 5.2. College Physics Multiple Choice Questions and Answers (MCQs): Quizzes & Practice Tests with Answer Key (College Physics Quick Study Guide & Course Review Book 1) contains course review tests for competitive exams to solve 580 MCQs. In the study of 3-space, the symbol (a 1,a 2,a 3) has two diﬀerent geometric in-terpretations: it can be interpreted as a point, in which case a 1, a Scalar is a quantity that is totally described by magnitude or size, whereas, a vector quantity is specified by both magnitudes as well as direction. 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