Mathematics, 10.03.2020 00:14 isanaty7951
Consider the points below. P(−1, 3, 1), Q(0, 7, 2), R(4, 2, −1) (a) Find a nonzero vector orthogonal to the plane through the points P, Q, and R. <−1,−5,21> (b) Find the area of the triangle PQR.
Answers: 2
square units.
![=\left[\begin{array}{ccc}\hat{i}&\hat{j}&\hat{k}\\1&4&1\\5&-1&-2\end{array}\right]](/tpl/images/0539/2219/5f831.png)
and 
.
square units.
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Consider the points below. P(−1, 3, 1), Q(0, 7, 2), R(4, 2, −1) (a) Find a nonzero vector orthogonal...
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