If 0 is the angle between the vectors a and b, then prove that a ·b = |a||b|cos0. Hint: refer to the figure below and use cosine law. 5. a -b a

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Q: x ·1 = 0 Multiple Choice There are no solutions. X= 0 X= 1 X = 0 and x= 1

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Q: . Apply Gauss-Jordan method to solve the equations x +y +z = 9; 2x - 3y +4z = 13 ; 3x + 4y +5z = 40....

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