Equation of a Plane Given a Line in the Plane - Example 3, medium
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- Опубликовано: 11 окт 2024
- How to find the equation of a plane if you are given the equation of a line embedded into the plane, as well as a point in the plane. You can use the line to determine the line's direction vector. Then you can use the point provided (as well as a point also on the line provided) to help to create another vector that is in the plane. We then take the cross product of the two vectors, and you have a vector that is normal to the plane. Once we have a point that is in the plane, and the normal vector to the plane, then we can write the equation of the plane in either standard form or zero
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Finally an explanation that I can actually follow. Thanks for the vids
I am really glad i came across your videos!
They are really apt and easy to understand. Thanks for your efforts!!!
you for sure explain this better than anyone else
Just solved a question with the help of this video. thanx
thank u soo much it turns out my proffessor didnt teach this part that I NEED!!!
Your video helped me out so much. Thanks
Nice explanation. Thanks
Verrrrrrry clearly explained !
Your videos are great
Thanks Man!
KiwiOverlord - Thanks for the kind words! :)
u makin it much easier
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Thank you so much this was so helpful 😭🙏
Very helpful! but what if we had vector and point only i.e we don't have a line on the plane, how do we do that?
great video here
Thanks man
thankyou so much!
thank you !
thanks for this stuff sir
thank you so much for this! you totally saved me
thank you lad
You are cool man
thank you so much
Please make a video on projection of a lime on plane
Thanks❤️
is cross multiplying vectors interchangeable?
doing them in opposite order will change the sign. Look up the "right hand rule" to find the correct order.
I got a question
how to find parametric equation from lines x=2t ,y=3t,z=1+t to a plain (x-4)/-2=y/3=(z-5)/1
Can you make a video for this type of question?
thanks again!!
I'm so messed up on this. If I do QP instead of PQ, it doesn't come out right...but I don't understand why that wouldn't work.
edit: nevermind, it comes out either way, I just made an arithmetic mistake *facepalm*
شكرا يا معلم
Mahmoud - you are very welcome.
+Firefly Lectures thanks my proff
At the last bit if you do the cross product the other way around ie. v x PQ you get the vector (17,-14,16) which is just your vector *-1. Is this still correct and does the order matter?
The order doesn't matter. The right side of the equation is 0 and -1*0 = 0.
if i have 2 points like P(2,1,0) and Q(0,2,0) and a line: x/2=y-2/3=2/4 ?
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