- #1

Nevermore

- 10

- 0

How would I find the direction vector of a line given in the form ax + by + cz +d =0?

Thankyou.

Thankyou.

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- Thread starter Nevermore
- Start date

- #1

Nevermore

- 10

- 0

How would I find the direction vector of a line given in the form ax + by + cz +d =0?

Thankyou.

Thankyou.

- #2

TD

Homework Helper

- 1,022

- 0

I see an equation of a plane, not a line.

- #3

Nevermore

- 10

- 0

Damn, sorry, got carried away with my letters. I meant ax + by +c = 0. Sorry about that...

- #4

TD

Homework Helper

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For a line, (1,m) is always a directional vector where m is the slope. Can you find the slope?Nevermore said:Damn, sorry, got carried away with my letters. I meant ax + by +c = 0. Sorry about that...

- #5

Nevermore

- 10

- 0

Yeah - I thought it would be something simple like that. Thanks for your help.

- #6

TD

Homework Helper

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You're welcome

- #7

SirAllan

- 2

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Thanks for asking that Q, it helped me too

- #8

Defennder

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- #9

SirAllan

- 2

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LORL... Thanks for pointing that out. ( At least you still logon)

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