1.

Let \[a,\,b,\,c\] be three vectors from \[a\times (b\times c)=(a\times b)\times c\], if [Orissa JEE 2003]

A. \[b\times (a\times c)=0\]
B. \[a(b\times c)=0\]
C. \[c\times a=a\times b\]
D. \[c\times b=b\times a\]
Answer» B. \[a(b\times c)=0\]


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