Find the dot product v•w and the angle between v and w. v=i-k, w=i-j+k

Q: Find the dot product v*w and the angle between v and w. v = 3i - 4j + k, w = 6i - 8j + 2k

A: Find the dot product  v·w.

Q: Find the dot product. u = (-9, 10) and 7 = (3, 6) u.v=

A: Given query is to find the dot product.

Q: Find the dot product of a = and b = .

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Q: Let u = 4i - 9j, and v= - 4i +4j. Find v- u. v-u = (Type your answer in terms of i and j.)

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Q: Find the direction cosines of v =〈3, 6, −2〉.

A: Given vector is v=3,6,-2. To find the direction cosines of given vector. Solution: We know that if…

Q: Find the angle between u = i - 2j - 2k and v = 6i + 3j + 2k.

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Q: Use the dot product to determine whether v = 5i and w = -6i are orthogonal.

A: The given vector is v=5i  and  w=6i known fact: Two vectors a and b are orthogonal (perpendicular)…

Q: Find the angle between a and b where -6a+2b=2i+j-8k and 2a-b=3i-4j+k

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Q: Find the dot product v • w. v = 6i + 8j, w = – 13i – 8j O A. - 78 А. О В. - 14 О С. -64 O D. - 142

A: Explanation of the answer is as follows