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brinlin
Benutzername
brinlin
Punkte
68
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16
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2
16 Questions
2 Answers
0
285
0
+68
Help pls
Let P (1, 2, 3), Q (2, 3, 1), and R (3, 1, 2).
(a) Derive the parametric equations for the line that passes through P and Q without resorting
to the known formula.
(b) Derive the equation of the plane that passes through the points P, Q, and R
mehr ..
brinlin
13.08.2021
0
258
0
+68
Help pls
Find a vector that is perpendicular to the plane passing through the points P (1, 2, 3), Q (2, 3, 1), and R (3, 1, 2).
brinlin
13.08.2021
0
360
1
+68
help pls
Find the angle between the vectors and .
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brinlin
13.08.2021
0
265
0
+68
Help pls
Question:
brinlin
10.08.2021
0
267
0
+68
help pls
The centroid of the faces of a tetrahedron are (17, 0, 3), (-2, 13, 3), (1, 2, 15) and (1, -1, 2). What are its vertices?
brinlin
10.08.2021
0
276
0
+68
help pls
Show that for any point P and any triangle ABC, the sum of the squares of the sides of the triangle is no greater than 3 times the sum of the squares of the distance from P to each of the vertices of triangle ABC. At what point do we have equality?
mehr ..
brinlin
10.08.2021
0
318
0
+68
Help
Convert the rectangular coordinates to polar coordinates and spherical coordinates.
brinlin
24.07.2021
0
322
0
+68
Help please
Question:
brinlin
23.07.2021
0
381
1
+68
Help please
Question:
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brinlin
23.07.2021
0
321
1
+68
Help please
Let be a sixth root of unity. Find all possible values of .
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brinlin
18.07.2021
0
269
0
+68
Help asap please
(a) Let a be a cube root of unity, and let b be a fifth root of unity. Prove that ab is a root of unity.
(b) Let a be a primitive cube root of unity, and b be a primitive fifth root of unity. Prove that ab is a primitive root of unity.
mehr ..
brinlin
18.07.2021
0
313
0
+68
Help please
Reproduce the angle difference identities for sine and cosine by expressing in rectangular form.
brinlin
17.07.2021
0
362
2
+68
Having some trouble with this
Show that if w is a primitive root of unity for n = 2m, then is a primitive root of unity.
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brinlin
17.07.2021
0
364
2
+68
Need some help with this
Let w be a sixth root of unity. Find all possible values of .
●
●
brinlin
17.07.2021
0
401
2
+68
Help Please
Reproduce the angle difference identities for sine and cosine by expressing in rectangular form.
●
●
brinlin
16.07.2021
0
374
2
+68
Help Please
Prove that
●
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brinlin
16.07.2021
«
neueste
0
-1
2
neueste
»
#2
+68
0
How did you get your answer? I don't understand.
brinlin
17.07.2021
#2
+68
0
Sorry, haven't learned this formula.
brinlin
17.07.2021
