MCQ
Which of the following is a true statement
  • A
    $(a \times b) \times c$ is coplanar with c
  • B
    $(a \times b) \times c$ is perpendicular to $a$
  • C
    $(a \times b) \times c$ is perpendicular to $ b$
  • $(a \times b) \times c$ is perpendicular to $c$

Answer

Correct option: D.
$(a \times b) \times c$ is perpendicular to $c$
d
(d)  It is obvious.

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