The area of a triangle whose vertices are \( A(1,-1,2) \),
\( \math...
The area of a triangle whose vertices are \( A(1,-1,2) \),
\( \mathrm{P} \) \( B(2,1,-1) \) and \( C(3,-1,2) \)
W
(1) 13
(2) \( \sqrt{13} \)
(3) 6
(4) \( \sqrt{6} \)
š²PW App Link - https://bit.ly/YTAI_PWAP
šPW Website - https://www.pw.live
Other Videos By PW Solutions
| 2023-04-06 | The unit vector perpendicular to the plane passing
P through point ... |
| 2023-04-06 | In a \( \triangle \mathrm{ABC}, \mathrm{a}=\mathrm{BC}, \mathrm{b}=... |
| 2023-04-06 | If \( \vec{a}, \vec{b}, \vec{c} \) are unit vectors such that \( \v... |
| 2023-04-06 | If \( \hat{i}-\hat{j}+2 \hat{k}, 2 \hat{i}+\hat{j}-\hat{k} \) and \... |
| 2023-04-06 | If \( \vec{a}=\hat{i}+\hat{j}+\hat{k} \& \vec{b}=\hat{j}-\hat{k} \)... |
| 2023-04-06 | Vector \( \vec{a} \& \vec{b} \) make an angle \( \theta=\frac{2 \pi... |
| 2023-04-06 | Let \( \vec{\alpha}=3 \hat{\imath}+\hat{j} \) and \( \vec{\beta}=2 ... |
| 2023-04-06 | If \( \vec{a} \) and \( \vec{b} \) are perpendicular, then
\( \math... |
| 2023-04-06 | Examine whether the vectors
\( \mathrm{P} \) \( \vec{a}=2 \hat{\ima... |
| 2023-04-06 | If the vectors \( \vec{a}, \vec{b}, \vec{c} \) and \( \vec{d} \) ar... |
| 2023-04-06 | The area of a triangle whose vertices are \( A(1,-1,2) \),
\( \math... |
| 2023-04-06 | If \( a, b, c \) are position vector of vertices of a triangle
\( \... |
| 2023-04-06 | If the area of the parallelogram with \( \vec{a} \) and \( \vec{b} ... |
| 2023-04-06 | For any vector \( a \), the value of \( (a \times i)^{2}+(a \times ... |
| 2023-04-06 | The vectors from origin to the points \( \mathrm{A} \) and \( \math... |
| 2023-04-06 | Three vectors \( \vec{a}, \vec{b}, \vec{c} \) are such that \( \vec... |
| 2023-04-06 | \( (\vec{a} \cdot \hat{i})(\vec{a} \times \hat{i})+(\vec{a} \cdot \... |
| 2023-04-06 | A unit vector perpendicular to the plane of
\( \mathrm{P} \) \( \ve... |
| 2023-04-06 | Let \( \vec{a}=3 \hat{i}+2 \hat{j}+2 \hat{k} \) and \( \vec{b}=\hat... |
| 2023-04-06 | Let \( \vec{a}=3 \hat{i}+2 \hat{j}+x \hat{k} \) and \( \vec{b}=\hat... |
| 2023-04-06 | If \( \vec{a}, \vec{b} \) and \( \vec{c} \) are unit vectors such t... |
0