Chapter 10: Q. 72 (page 826)
Let , and be three mutually perpendicular vectors in .
(a) Prove that .
(b) Show that .
Short Answer
Ans:
part (a).
part (b)
.
Chapter 10: Q. 72 (page 826)
Let , and be three mutually perpendicular vectors in .
(a) Prove that .
(b) Show that .
Ans:
part (a).
part (b)
.
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