Suppose that u and v are vectors in R' and c is a scalar. Decide whether each statement is always true or not always true. Be sure you can explain why your answers are correct! Always true 1. (cũ) - ở = ủ - (cũ) = c(u · T) Not always true v 2. (ū x 7) · ủ = ở · (ũ × ở) Always true 3. (cũ) x ở = ữ × (cỡ) = c(u × v) Not always true 4. (ū x ũ) • ũ = 0

Q: nd the length of the vector fo raight line joining the points 5,2). Also find the angle made

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