Question: Consider | u + v | and | u | + | v |. (a) Are the values of the expressions always equal? If not,

  • Consider |u + v| and |u| + |v|.

    (a) Are the values of the expressions always equal? If not, under what conditions are they unequal?

    (b) If the two expressions are not equal for certain values of u and v, is one of the expressions always greater than the other? Explain.



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