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OpenStudy (hitomb):
What is the dot product of a = -2i - 5j and b = i - 4j? A. 18 B. -18 C. 22 D. -22
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OpenStudy (mendicant_bias):
Alright, so do you know the general way of how to calculate the dot product of two vectors? Let me ask something first off; do you think a dot product results in a vector or a scalar?
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