Solve the Problem $\frac { 1 } { \sqrt { 2 } } ( \mathbf { j } + \mathbf { k } )$

question 104

Multiple Choice

Solve the problem.
-Find a unit vector perpendicular to plane PQR determined by the points P(2, 1, 1) , Q(1, 0, 0) and R(2, 2, 2) .

• A) \(\frac { 1 } { \sqrt { 2 } } ( \mathbf { j } + \mathbf { k } )\)
• B) \(\frac { 1 } { \sqrt { 2 } } ( \mathbf { j } - \mathbf { k } )\)
• C) \(\frac { 1 } { \sqrt { 2 } } ( \mathbf { i } + \mathbf { j } )\)
• D) \(\frac { 1 } { \sqrt { 2 } } ( \mathbf { i } - \mathbf { j } )\)

Distinguish between myths and truths regarding suicide and self-harm behaviors.

Comprehend the theoretical perspectives on suicide by scholars like Durkheim.

Understand the process and stages leading to suicidal behavior.

Recognize the differences and similarities between suicide attempters and threateners.

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