Sign up now
to enroll in courses, follow best educators, interact with the community and track your progress.
Download
Condition of Perpendicularity
1,765 plays

More
This lesson explains the concept of condition of perpendicularity of vectors. Thereafter examples of JEE Main level have been discussed based on dot product of vectors.

Vineet Loomba is teaching live on Unacademy Plus

Vineet Loomba
IITian | No. 1 Educator in IIT-JEE (Maths) | 2.6 Million Minutes Watch Time | 8+ Years Experience | Youtube: Maths Wallah | vineetloomba.com

Unacademy user
Thank you ma'am.. Please do make a video on writs..
The last question (Ex.19) can be done by an easy approach....We know that vector P is perpendicular to both A & B vectors...so by vector P will be mx(cross product of A & B vectors )....where m is a constant value....And then by Dot product with the vector C we can find the value of m......And we got the required vector P......No need to solve 3equations of 3 variables...Am I right sir??
Abhinandan Kumar
6 months ago
mx(cross product)....x is multiplication symbol here.
ex.18 nhi samajh me aaya thik se sir.
sir,plz illustrate more problems such as is in ex17 with more examples. I will be thankful to you.
Vineet Loomba
10 months ago
okay will do
Chaitanya Sethia
8 months ago
Sir ka work Samjaana ha apne ko hi practice karni pdagi
Sir i am facing this problem that i know the concepts but don't know where to use it after sometime i quit the question and see the solution of it but after seeing it i fells that i could have done that myself , then i feels that maybe my basis are not clear(actually feel to quit studying).So basically my problem is i don't able to understand the questions or not able to understand that which concept is the particular question is requiring .Sir please help me .. thank you very much..
Vineet Loomba
a year ago
solve simpler problems initially when the topic is fresh and then take up tough problems once u hav confidence
Shivang
a year ago
Thank your sir i will definitely follow your advice.
sir,plz take previce year jee questions
Vineet Loomba
10 months ago
okk
  1. DATE 9 30 1 4-2 3 1+4t1


  2. DATE en b CBS 222 lo 22-5 2. @b Aec tou 2ntui^ _ sk classmAte. PAGE


  3. DATE Ahu-4.pt find a esE 2012 6 -2-12 3 2. PAGE clAssMAte


  4. 32 ua with 3 2. 2. 2. u 42 clAssMAte PAGE


  5. DATE 2. 2. 2 PAGE clAssmAte


  6. DATE CBS as o 13 169 clAssMAte PAGE


  7. DATE .rel.-t 2 PAGE clAsSmAte


  8. DATE 9 30 1 4-2 3 1+4t1


  9. DATE en b CBS 222 lo 22-5 2. @b Aec tou 2ntui^ _ sk classmAte. PAGE


  10. DATE Ahu-4.pt find a esE 2012 6 -2-12 3 2. PAGE clAssMAte


  11. DATE 2. 2. 2 PAGE clAssmAte


  12. DATE .rel.-t 2 PAGE clAsSmAte