undefined Solution The value of ( − 3 a + 5 c ) · b , 15 ( a − c ) · b if a = [ 1 , − 3 , 5 ] , b = [ 4 , 0 , 8 ] , c = [ − 2 , 9 , 1 ] . The value of ( − 3 a + 5 c ) · b is − 132 _ and 15 ( a − c ) · b is 660 _ . Definition used: Inner Product of vectors: The inner product or dot product a · b of two vectors a and b is the product of their lengths times the cosine of their angle. a · b = | a | | b | cos γ if a ≠ 0 , b ≠ 0 a · b = 0 if a = 0 or b = 0 The angle γ is 0 ≤ γ ≤ π , between a and b is measured when the initial points of the vectors coincide. In component form, a · b = a 1 b 1 + a 2 b 2 + a 3 b 3 where a = [ a 1 , a 2 , a 3 ] , b = [ b 1 , b 2 , b 3 ] Calculation: Use above definition and substitute a = [ 1 , − 3 , 5 ] , b = [ 4 , 0 , 8 ] , c = [ − 2 , 9 , 1 ] in ( − 3 a + 5 c ) · b . ( − 3 a + 5 c ) · b = ( − 3 [ 1 , − 3 , 5 ] + 5 [ − 2 , 9 , 1 ] ) · [ 4 , 0 , 8 ] = ( [ − 3 , 9 , − 15 ] + [ − 10 , 45 , 5 ] ) · [ 4 , 0 , 8 ] = ( [ − 3 − 10 , 9 + 45 , − 15 + 5 ] ) · [ 4 , 0 , 8 ] = [ − 13 , 54 , − 10 ] · [ 4 , 0 , 8 ] Simplify further as, ( − 3 a + 5 c ) · b = − 13 ( 4 ) + ( 54 ) ( 0 ) + ( − 10 ) ( 8 ) = − 52 + 0 − 80 = − 132 Substitute b = [ 4 , 0 , 8 ] , c = [ − 2 , 9 , 1 ] in 15 ( a − c ) · b . 15 ( a − c ) · b = 15 ( [ 1 , − 3 , 5 ] − [ − 2 , 9 , 1 ] ) · [ 4 , 0 , 8 ] = 15 ( [ 1 + 2 , − 3 − 9 , 5 − 1 ] ) · [ 4 , 0 , 8 ] = 15 ( [ 3 , − 12 , 4 ] ) · [ 4 , 0 , 8 ] = [ 45 , − 180 , 60 ] · [ 4 , 0 , 8 ] Simplify further as, 15 ( a − c ) · b = 15 ( 4 ) + ( − 180 ) ( 0 ) + ( 60 ) ( 8 ) = 180 + 0 + 480 = 660 Therefore, the value of ( − 3 a + 5 c ) · b is − 132 _ and 15 ( a − c ) · b is 660 _ .

10th Edition

ISBN: 9781119480150

Author: Kreyszig

Publisher: WILEY C

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RadioShack sells Samsung and Lenovo tablets. When five Samsung tablets and eight Lenovo tablets are sold, RadioShack makes a profit of more than $1,920.00. The total cost of purchasing a Samsung and a Lenovo tablet cannot exceed $375.00. The total revenue made from the sale of nine Lenovo tablets and two Samsung is no more than $2,610. At no point in time, RadioShack's stock on either tablet will fall below 5 units. a. Derive five (5) linear inequalities to represent the above information. b. Using the same Cartesian Plane to represent each of the above linear inequalities from part a. above, solve the system of linear inequalities. Ensure that all work is clearly stated. c. Hence, label the solution from part b. above with a capital S.

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Chapter 9 Solutions

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Ch. 9.1 - Prob. 1P Ch. 9.1 - Find the components of the vector v with initial...Ch. 9.1 - Prob. 3P Ch. 9.1 - Prob. 4P Ch. 9.1 - Find the components of the vector v with initial...Ch. 9.1 - Find the terminal point Q of the vector v with...Ch. 9.1 - Find the terminal point Q of the vector v with...Ch. 9.1 - Find the terminal point Q of the vector v with...Ch. 9.1 - Find the terminal point Q of the vector v with...Ch. 9.1 - Find the terminal point Q of the vector v with...

Ch. 9.1 - Let a = [3, 2, 0] = 3i + 2j; b = [−4, 6, 0] = 4i +...Ch. 9.1 - Let a = [3, 2, 0] = 3i + 2j; b = [−4, 6, 0] = 4i +...Ch. 9.1 - Prob. 13P Ch. 9.1 - Let a = [3, 2, 0] = 3i + 2j; b = [−4, 6, 0] = 4i +...Ch. 9.1 - Let a = [3, 2, 0] = 3i + 2j; b = [−4, 6, 0] = 4i +...Ch. 9.1 - Let a = [3, 2, 0] = 3i + 2j; b = [−4, 6, 0] = 4i +...Ch. 9.1 - Prob. 17P Ch. 9.1 - Let a = [3, 2, 0] = 3i + 2j; b = [−4, 6, 0] = 4i +...Ch. 9.1 - What laws do Probs. 12–16 illustrate? 12. (a + b)...Ch. 9.1 - Prob. 20P Ch. 9.1 - Find the resultant in terms of components and its...Ch. 9.1 - Prob. 22P Ch. 9.1 - Find the resultant in terms of components and its...Ch. 9.1 - Find the resultant in terms of components and its...Ch. 9.1 - Find the resultant in terms of components and its...Ch. 9.1 - Equilibrium. Find v such that p, q, u in Prob. 21...Ch. 9.1 - Find p such that u, v, w in Prob. 23 and p are in...Ch. 9.1 - Unit vector. Find the unit vector in the direction...Ch. 9.1 - Restricted resultant. Find all v such that the...Ch. 9.1 - Prob. 30P Ch. 9.1 - For what k is the resultant of [2, 0, −7], [1, 2,...Ch. 9.1 - If |p| = 6 and |q| = 4, what can you say about the...Ch. 9.1 - Same question as in Prob. 32 if |p| = 9, |q| = 6,...Ch. 9.1 - Relative velocity. If airplanes A and B are moving...Ch. 9.1 - Same question as in Prob. 34 for two ships moving...Ch. 9.1 - Prob. 36P Ch. 9.1 - Prob. 37P Ch. 9.2 - Let a = [1, −3, 5], b = [4, 0, 8], c = [−2, 9, 1]....Ch. 9.2 - Let a = [1, −3, 5], b = [4, 0, 8], c = [−2, 9, 1]....Ch. 9.2 - Let a = [1, −3, 5], b = [4, 0, 8], c = [−2, 9, 1]....Ch. 9.2 - Let a = [1, −3, 5], b = [4, 0, 8], c = [−2, 9, 1]....Ch. 9.2 - Let a = [1, −3, 5], b = [4, 0, 8], c = [−2, 9, 1]....Ch. 9.2 - Let a = [1, −3, 5], b = [4, 0, 8], c = [−2, 9, 1]....Ch. 9.2 - Let a = [1, −3, 5], b = [4, 0, 8], c = [−2, 9, 1]....Ch. 9.2 - Prob. 8P Ch. 9.2 - Prob. 9P Ch. 9.2 - Let a = [1, −3, 5], b = [4, 0, 8], c = [−2, 9, 1]....Ch. 9.2 - Prob. 11P Ch. 9.2 - What does u • v = u • w imply if u = 0? If u ≠...Ch. 9.2 - Prove the Cauchy–Schwarz inequality. Ch. 9.2 - Verify the Cauchy–Schwarz and triangle...Ch. 9.2 - Prob. 15P Ch. 9.2 - Triangle inequality. Prove Eq. (7). Hint. Use Eq....Ch. 9.2 - Prob. 17P Ch. 9.2 - Prob. 18P Ch. 9.2 - Prob. 19P Ch. 9.2 - Prob. 20P Ch. 9.2 - Prob. 21P Ch. 9.2 - Let a = [1, 1, 0], b = [3, 2, 1], and c = [1, 0,...Ch. 9.2 - Let a = [1, 1, 0], b = [3, 2, 1], and c = [1, 0,...Ch. 9.2 - Let a = [1, 1, 0], b = [3, 2, 1], and c = [1, 0,...Ch. 9.2 - What will happen to the angle in Prob. 24 if we...Ch. 9.2 - Prob. 26P Ch. 9.2 - Addition law. cos (α − β) = cos α cos β + sin α...Ch. 9.2 - Prob. 28P Ch. 9.2 - Prob. 29P Ch. 9.2 - Prob. 30P Ch. 9.2 - Prob. 31P Ch. 9.2 - Prob. 32P Ch. 9.2 - Prob. 33P Ch. 9.2 - Prob. 34P Ch. 9.2 - Prob. 35P Ch. 9.2 - Prob. 36P Ch. 9.2 - Prob. 37P Ch. 9.2 - Prob. 38P Ch. 9.2 - Prob. 39P Ch. 9.2 - Prob. 40P Ch. 9.3 - Prob. 1P Ch. 9.3 - Prob. 2P Ch. 9.3 - Prob. 3P Ch. 9.3 - Prob. 4P Ch. 9.3 - Prob. 5P Ch. 9.3 - Prob. 6P Ch. 9.3 - Prob. 7P Ch. 9.3 - Prob. 8P Ch. 9.3 - Prob. 9P Ch. 9.3 - Prob. 11P Ch. 9.3 - Prob. 12P Ch. 9.3 - Prob. 13P Ch. 9.3 - Prob. 14P Ch. 9.3 - Prob. 15P Ch. 9.3 - Prob. 16P Ch. 9.3 - Prob. 17P Ch. 9.3 - Prob. 18P Ch. 9.3 - Prob. 19P Ch. 9.3 - Prob. 20P Ch. 9.3 - Prob. 21P Ch. 9.3 - Prob. 22P Ch. 9.3 - Prob. 23P Ch. 9.3 - Prob. 25P Ch. 9.3 - Prob. 26P Ch. 9.3 - Prob. 27P Ch. 9.3 - Prob. 28P Ch. 9.3 - Prob. 29P Ch. 9.3 - Prob. 30P Ch. 9.3 - Prob. 31P Ch. 9.3 - Prob. 32P Ch. 9.3 - Prob. 33P Ch. 9.3 - Prob. 34P Ch. 9.4 - Prob. 1P Ch. 9.4 - Prob. 2P Ch. 9.4 - Prob. 3P Ch. 9.4 - Prob. 4P Ch. 9.4 - Prob. 5P Ch. 9.4 - Prob. 6P Ch. 9.4 - Prob. 7P Ch. 9.4 - Prob. 9P Ch. 9.4 - Prob. 10P Ch. 9.4 - Prob. 11P Ch. 9.4 - Prob. 12P Ch. 9.4 - Prob. 13P Ch. 9.4 - Prob. 14P Ch. 9.4 - Prob. 15P Ch. 9.4 - Prob. 16P Ch. 9.4 - Prob. 17P Ch. 9.4 - Prob. 18P Ch. 9.4 - Prob. 19P Ch. 9.4 - Prob. 20P Ch. 9.4 - Prob. 22P Ch. 9.4 - Prob. 23P Ch. 9.4 - Prob. 24P Ch. 9.5 - Prob. 1P Ch. 9.5 - Prob. 2P Ch. 9.5 - Prob. 3P Ch. 9.5 - Prob. 4P Ch. 9.5 - Prob. 5P Ch. 9.5 - Prob. 6P Ch. 9.5 - Prob. 7P Ch. 9.5 - Prob. 8P Ch. 9.5 - Prob. 9P Ch. 9.5 - Prob. 10P Ch. 9.5 - Prob. 11P Ch. 9.5 - Prob. 12P Ch. 9.5 - Prob. 13P Ch. 9.5 - Prob. 14P Ch. 9.5 - Prob. 15P Ch. 9.5 - Prob. 16P Ch. 9.5 - Prob. 17P Ch. 9.5 - Prob. 18P Ch. 9.5 - Prob. 19P Ch. 9.5 - Prob. 20P Ch. 9.5 - Prob. 21P Ch. 9.5 - r(t) = [10 cos t, 1, 10 sin t], P: (6, 1, 8)Ch. 9.5 - r(t) = [cos t, sin t, 9t], P: (1, 0, 18)Ch. 9.5 - Prob. 27P Ch. 9.5 - Prob. 29P Ch. 9.5 - Prob. 30P Ch. 9.5 - Prob. 31P Ch. 9.5 - Prob. 32P Ch. 9.5 - Prob. 33P Ch. 9.5 - Prob. 34P Ch. 9.5 - Prob. 35P Ch. 9.5 - Prob. 36P Ch. 9.5 - Prob. 37P Ch. 9.5 - Prob. 38P Ch. 9.5 - Prob. 43P Ch. 9.5 - Prob. 44P Ch. 9.5 - Prob. 45P Ch. 9.5 - Prob. 46P Ch. 9.5 - CURVATURE AND TORSION 47. Circle. Show that a...Ch. 9.5 - Prob. 48P Ch. 9.5 - Prob. 49P Ch. 9.5 - Prob. 50P Ch. 9.5 - Prob. 51P Ch. 9.5 - Prob. 52P Ch. 9.5 - Prob. 53P Ch. 9.5 - Prob. 54P Ch. 9.5 - Prob. 55P Ch. 9.7 - Prob. 1P Ch. 9.7 - Prob. 2P Ch. 9.7 - Prob. 3P Ch. 9.7 - Prob. 4P Ch. 9.7 - Prob. 5P Ch. 9.7 - Prob. 6P Ch. 9.7 - Prob. 7P Ch. 9.7 - Prob. 8P Ch. 9.7 - Prob. 9P Ch. 9.7 - Prob. 10P Ch. 9.7 - Prob. 11P Ch. 9.7 - Prob. 12P Ch. 9.7 - Prob. 13P Ch. 9.7 - Prob. 14P Ch. 9.7 - Prob. 15P Ch. 9.7 - Prob. 16P Ch. 9.7 - Prob. 17P Ch. 9.7 - Prob. 18P Ch. 9.7 - Prob. 19P Ch. 9.7 - Prob. 20P Ch. 9.7 - Prob. 21P Ch. 9.7 - Prob. 22P Ch. 9.7 - Prob. 23P Ch. 9.7 - Prob. 24P Ch. 9.7 - Prob. 25P Ch. 9.7 - Prob. 26P Ch. 9.7 - Prob. 28P Ch. 9.7 - Prob. 29P Ch. 9.8 - Prob. 1P Ch. 9.8 - Prob. 2P Ch. 9.8 - Prob. 3P Ch. 9.8 - Prob. 4P Ch. 9.8 - Prob. 5P Ch. 9.8 - Prob. 6P Ch. 9.8 - Prob. 7P Ch. 9.8 - Prob. 8P Ch. 9.8 - CAS EXPERIMENT. Visualizing the Divergence. Graph...Ch. 9.8 - Prob. 11P Ch. 9.8 - Prob. 12P Ch. 9.8 - Prob. 13P Ch. 9.8 - Prob. 14P Ch. 9.8 - Prob. 15P Ch. 9.8 - Prob. 16P Ch. 9.8 - Prob. 17P Ch. 9.8 - Prob. 18P Ch. 9.8 - Prob. 19P Ch. 9.8 - Prob. 20P Ch. 9.9 - Prob. 1P Ch. 9.9 - Prob. 2P Ch. 9.9 - Prob. 3P Ch. 9.9 - Prob. 4P Ch. 9.9 - Prob. 5P Ch. 9.9 - Prob. 6P Ch. 9.9 - Prob. 7P Ch. 9.9 - Prob. 8P Ch. 9.9 - Prob. 9P Ch. 9.9 - Prob. 10P Ch. 9.9 - Prob. 11P Ch. 9.9 - Prob. 12P Ch. 9.9 - Prob. 13P Ch. 9.9 - Prob. 15P Ch. 9.9 - Prob. 16P Ch. 9.9 - Prob. 17P Ch. 9.9 - Prob. 18P Ch. 9.9 - Prob. 19P Ch. 9.9 - Prob. 20P Ch. 9 - Prob. 1RQ Ch. 9 - Prob. 2RQ Ch. 9 - Prob. 3RQ Ch. 9 - Prob. 4RQ Ch. 9 - Prob. 5RQ Ch. 9 - Prob. 6RQ Ch. 9 - Prob. 7RQ Ch. 9 - Prob. 8RQ Ch. 9 - Prob. 9RQ Ch. 9 - Prob. 11RQ Ch. 9 - Prob. 12RQ Ch. 9 - Prob. 13RQ Ch. 9 - Prob. 14RQ Ch. 9 - Prob. 15RQ Ch. 9 - Prob. 16RQ Ch. 9 - Prob. 17RQ Ch. 9 - Prob. 18RQ Ch. 9 - Prob. 19RQ Ch. 9 - Prob. 20RQ Ch. 9 - Prob. 21RQ Ch. 9 - Prob. 22RQ Ch. 9 - Prob. 23RQ Ch. 9 - Prob. 24RQ Ch. 9 - Prob. 25RQ Ch. 9 - Prob. 26RQ Ch. 9 - Prob. 27RQ Ch. 9 - Prob. 28RQ Ch. 9 - Prob. 29RQ Ch. 9 - Prob. 30RQ Ch. 9 - Prob. 31RQ Ch. 9 - Prob. 32RQ Ch. 9 - Prob. 33RQ Ch. 9 - Prob. 34RQ Ch. 9 - Prob. 35RQ Ch. 9 - Prob. 36RQ Ch. 9 - Prob. 37RQ Ch. 9 - Prob. 38RQ Ch. 9 - Prob. 39RQ Ch. 9 - Prob. 40RQ

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