CBSE Class 12-science Answered
if a , b , c are the position vectors of points A,B,C.... then show that
Asked by | 20 Feb, 2009, 05:15: PM
Expert Answer
we know that if A,B,C are vector in same plane then A . (BΧC) = 0 [called box of ABC = 0 ]
becoz vector (BΧC) is perpendicular to the BC plane
now take dot product with a of above expression we get a. [ a x b +b x c+c x a ] = [ 0 + box of abc + 0 ] = 0
Answered by | 22 Feb, 2009, 12:21: PM
Application Videos
Concept Videos
CBSE 12-science - Maths
Asked by leelasri11663 | 25 Apr, 2024, 11:34: AM
ANSWERED BY EXPERT
CBSE 12-science - Maths
Asked by aishaazmata | 24 Apr, 2024, 08:48: PM
ANSWERED BY EXPERT
CBSE 12-science - Maths
Asked by revengesena | 24 Apr, 2024, 06:08: PM
ANSWERED BY EXPERT
CBSE 12-science - Maths
Asked by mahammadsharifdakhani67 | 16 Apr, 2024, 07:43: PM
ANSWERED BY EXPERT
CBSE 12-science - Maths
Asked by 20muskaansharma23 | 08 Apr, 2024, 11:31: AM
ANSWERED BY EXPERT
CBSE 12-science - Maths
Asked by cherrycharishma512 | 01 Apr, 2024, 12:32: PM
ANSWERED BY EXPERT
CBSE 12-science - Maths
Asked by annapoornaa429 | 31 Mar, 2024, 08:23: PM
ANSWERED BY EXPERT
CBSE 12-science - Maths
Asked by shirishakuruva477 | 28 Mar, 2024, 09:52: PM
ANSWERED BY EXPERT