2.1 - Dot Product
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Practice Questions
Test your understanding with targeted questions
Calculate the dot product for vectors a = (1, 2) and b = (3, 4).
💡 Hint: Use the formula a · b = a1 * b1 + a2 * b2.
What is the dot product of a vector with itself, for example, c = (5, 5)?
💡 Hint: Remember, the dot product of a vector with itself yields the square of its magnitude.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the result of the dot product between two perpendicular vectors?
💡 Hint: Remember the geometric interpretation.
True or False: The dot product yields a vector result.
💡 Hint: Think about the nature of the output.
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Challenge Problems
Push your limits with advanced challenges
Given three vectors: a = (3, 1, 2), b = (1, 4, 0), and c = (2, -1, 3), find the dot product of a and b, and then determine the angle between c and the resultant vector of a and b.
💡 Hint: Don't forget to calculate the magnitudes for the final angle determination.
Two vectors have a dot product of -12, Suggest possible values for their magnitudes and the angle between them.
💡 Hint: Think about how multiplying positive and negative components give a negative value?
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