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How many ways are there to solve this question?

  • Thread starter BlueRope
  • Start date
  • #1
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Homework Statement



vector a = (0,1,0)
vector b = (-2,1,1)
vector c = (1, a-2, a+2)

for what value of a are the three vectors coplanar?

Homework Equations



don't know how to do this

The Attempt at a Solution



didn't try anything
 

Answers and Replies

  • #2
158
0

Homework Statement



vector a = (0,1,0)
vector b = (-2,1,1)
vector c = (1, a-2, a+2)

for what value of a are the three vectors coplanar?

Homework Equations



don't know how to do this

The Attempt at a Solution



didn't try anything
If a is a parameter, you shouldn't name the vector a as well.

Have you read the definition coplanar?
 
  • #3
116
1
Well let's start at the fundamental level.

Do you know what coplanar means?
 
  • #4
SammyS
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After looking at the title of this thread ... I can think of two ways.
 
  • #5
11
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What are those two ways?
 
  • #6
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Locking the thread, because the OP has not shown any effort at solving this problem.
 

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