write the vector equation of a line passing through (1,-1,2) and (2,2,2).
The vector from (1,-1,2) to (2,2,2) will have direction (2,2,2)-(1,-1,2) which is (1,3,0) so the vector equation is r =(1,-1,2) + s(1,3,0) where s is a scalar.
Related Maths A Level answers
All answers ▸Find the stationary points of the function y = (1/3)x^3 + (1/2)x^2 - 6x + 15
How do I do this question: A small stone is projected vertically upwards from the point A with speed 11.2 m/s. Find the maximum height above A reached by the stone.
Find the derivative of f(x)=x^2*e^x+x
A circle with centre C has equation: x^2 + y^2 + 20x - 14 y + 49 = 0. Express the circle in the form (x-a)^2 +(y-b)^2=r^2. Show that the circle touches the y-axis and crosses the x-axis in two distinct points.