If a, b and c are three non-zero, non-coplanar vectors, then the value of a \times a^{'}+b \times b^{'}+c \times c^{'} is

CGPET 2013 Solved Paper

Section: Mathematics

Question : 144 of 150

Marks: +1, -0

If a,b and c are three non-zero, non-coplanar vectors, then the value of a×a′+b×b′+c×c′ is

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