(a) (i) (b) (ii) The coordinates of the points A and B are (3, -2, 4) and (6, 0, 3) respectively. 3 []+ The line has equation r Find the vector AB. Calculate the acute angle between AB and the line 1₁, giving your answer to the nearest 0.1°. The point D lies on ₁ where =2. The line 12 passes through D and is parallel to AB. 2 (i) Find a vector equation of line 12 with parameter μ. (ii) The diagram shows a symmetrical trapezium ABCD, with angle DAB equal to angle ABC. A line 1₁ D C line 1₂ B The point C lies on line 12. The length of AD is equal to the length of BC. Find the coordinates of C.

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A: Once we get vector form of the equation we can easily write the parametric form of equation of line.

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A: To determine the length and angle made by the vectors, we will use the distance formula and the…

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A: We have,

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A:

Q: please answer all i really need it and make sure it’s correct

A: (10).       (11). Step 1:--    Step 2:--Step3:--(12).

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A:

Q: d. (-1,4) 11π b. (-3,) c. (3,- 6 5π 2

A: (r, θ)=-3, 11π6(x, y)=(r cosθ, r sinθ)        =-3cos11π6, -3 sin11π6       =-332, 32In the second…