The length of the perpendicular from the origin to the plane passing through three non-collinear points a,b,c is
A
[abc]|a×b+c×a+b×c|
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B
2[abc]|a×b+c×a+b×c|
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C
[abc]
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D
None of these
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Solution
The correct option is A[abc]|a×b+c×a+b×c| The length of the perpendicular from the origin to the plane passing through three non collinear points a,b,c are