Homework Help

find the value of p given that this straight line is perpendicular to the vector...

user profile pic

appreciate0831 | Student | (Level 1) Honors

Posted October 25, 2012 at 5:46 AM via web

dislike 0 like

find the value of p given that this straight line is perpendicular to the vector i+2j+pk

the position vectors of the points K and L are given by

OK=3i-2j+2k    and  OL=-i+j+3k

1 Answer | Add Yours

user profile pic

jishnudeepkar | Student, Grade 11 | (Level 1) Honors

Posted October 27, 2012 at 6:41 PM (Answer #1)

dislike 1 like

if ur talking about st line KL

then its vector will be OK - OL

2i - 3j - k

for perpendicular dot product = 0

2-6-p=0      or p=-4

Join to answer this question

Join a community of thousands of dedicated teachers and students.

Join eNotes