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Grade 9Vectors

if A,B,C are mutually perpendicular
prove that
C×(A×B)=0
Also A,B,C are vectors

Profile image of archi
10 Years agoGrade 9
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2 Answers

Profile image of Vijay Mukati

Vijay Mukati

ApprovedApproved Tutor Answer10 Years ago
Dear Student, If A, B and C are mutually perpendicular then, A x B will be the vector perpendicular to both A and B i.e. C only. Now C x C = 0 because the cross product of two same vectors is zero. Thanks.
Profile image of Ankit Jaiswal

Ankit Jaiswal

10 Years ago
If A, B and C are mutually perpendicular then, A x B will be the vector perpendicular to both A and B i.e. C only. Now C x C = 0 because the cross product of two same vectors is zero. Thanks.