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question mark

The points (0,-1,-1), (-4,4,4),(4,5,1) and (3,9,4) are
(A) Collinear
(B) Coplanar
(C) Forming a square
(D) None of these
Could you please explain using cartesian method of solving as we havent been taught vectors yet.

Satviki Pathak , 10 Years ago
Grade 11
anser 4 Answers
Vikas TU

Last Activity: 10 Years ago

Let  A (0,-1,-1), B (-4,4,4), C(4,5,1) and D(3,9,4) .
find AB AC and AD
then [AB AC AD] {box of}
if it is 0 then they are coplanar otherwise not.
 
Plz Approve!

Vikas TU

Last Activity: 10 Years ago

Let  A (0,-1,-1), B (-4,4,4), C(4,5,1) and D(3,9,4) .
find AB AC and AD
then [AB AC AD] {box of}
if it is 0 then they are coplanar otherwise not.
 
Plz Approve!

Vikas TU

Last Activity: 10 Years ago

Let  A (0,-1,-1), B (-4,4,4), C(4,5,1) and D(3,9,4) .
find AB AC and AD
then [AB AC AD] {box of}
if it is 0 then they are coplanar otherwise not.
 
Plz Approve!

Vikas TU

Last Activity: 10 Years ago

Let  A (0,-1,-1), B (-4,4,4), C(4,5,1) and D(3,9,4) .
find AB AC and AD
then [AB AC AD] {box of}
if it is 0 then they are coplanar otherwise not.
 
Plz Approve!

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