Task:
Determine the coordinates of a point D such that the points A, B, C and D are the vertices of a parallelogram.
a). A(3|-2|4); B(7|2|1); C(4|6|6)
My solution: D(0|2|9)
b). A(8|4|9); B(4|-1|3); C(5|2|8)
My solution: D(9|7|14)
c). A(3|4|-2); B(-3|-4|2); C(0|0|0)
My solution: D(3|4|-2)
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So how do you get ( x-1)(x+3)
The property of whether a number is even or odd. Does this mean the "parity of a number"?
Hello! I would really appreciate it if someone could explain task 8 to me. Unfortunately, I don't understand the topic at all and I'm stuck. Thanks in advance!
I've calculated these two formulas and values for calculating hydraulic power and mechanical power. Now the professor pointed out that efficiency needs to be taken into account… How do I use that? This would be my approach: But that would make the benefits even greater, which doesn't make sense.
Deduction of point D:
Center of diagonal AC: M = (A+C)/2
The point D lies on the straight line B+2*(M-B)
D=B+2*(M-B)=2*M-B=A+C-B
The first two solutions are correct.
The last task is that A+B=C.
A,B,C lie on a straight line.
No parallelogram can be formed here
The theoretical solution would be D=6.8,-4)=2*A, also on the straight line. Your solution could have noticed that A=D