Q1 of 181 Page 1073

If and are two equal vectors the x + y + z = ?

Two vectors are equal if and only if their corresponding components are equal.

Thus, the given vectors and are equal if and only if


x = 3, - y = 2, - z = 1


x = 3, y = - 2, z = - 1


x + y + z = 3 + (- 2) + (- 1) = 3 - 3 = 0


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