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Safari File Edit View History Bookmarks Window Help mymathlabglobal.com University of Liverpool-Student Digita.. Tutorial Sheet 5-201718-MATH199 Finding the Components of a Vector 201718-MATH199 - MATHEMATICAL TECHNIQUES Homework: Homework4 Score: 0 of 2 pts 14.3.19 15 of 15 (13 complete) Find the component of the vector 3 in the direction of the vector 5 The component of the vector is Type an exact answer, using radicals as needed.) Enter any number or expression in the edit field, then click Check Answer Clear Al All parts showing esc F2

Explanation / Answer

The required component is therefore = A.B / |B|
                                                                    = (7, 3, 8).(4, 5, 3) / sqrt(4^2 + 5^2 + 3^2)
                                                                    = (28 + 15 + 24) / sqrt(16 + 25 + 9)
                                                                    = 67/sqrt(50)

                                                                    = 9.47

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