1.

What is correct?

A. \[|\vec{a}-\vec{b}|\,=|\vec{a}|-|\vec{b}|\]
B. \[|\vec{a}-\vec{b}|\,\le |\vec{a}|-|\vec{b}|\]
C. \[|\vec{a}-\vec{b}|\,\ge |\vec{a}|-|\vec{b}|\]
D. \[|\vec{a}-\vec{b}|\,<|\vec{a}|-|\vec{b}|\]
Answer» E.


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