Let A(0, 6, 8) and B(6, 12, 0) be two given points and Pa,0,0 be a point on x–axis such that PA+PB is minimum, then which of the following is/are true?
see full answer
Your Exam Success, Personally Taken Care Of
1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.
An Intiative by Sri Chaitanya
a
If point Q is on the y–axis such that QA+QB is minimum then area of ΔPOQ is 907 unit2 where O is origin
b
The volume of tetrahedron OPAB (where O is origin) is 24011 unit3
c
Perpendicular distance from the point A to the plane containing the points P, Q, B is 8 units
d
The volume of tetrahedron OPAB (where O is origin) is 48011 unit3
answer is A.
(Unlock A.I Detailed Solution for FREE)
Best Courses for You
JEE
NEET
Foundation JEE
Foundation NEET
CBSE
Detailed Solution
α=3011,Q0,667,0 PA+PB is minimum, then So, MPPN=AMBN=56So, P=3011,0,0 Similarly Q is 0,667,0