(i)
![\[\left( 5,\text{ }2,\text{ }-7 \right)\]](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-d659e66cc8175c7231c7bfe24c82f6cd_l3.png "Rendered by QuickLaTeX.com")
Since we need to find its image in
![\[xy-plane,\]](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-e19e3e3097abc3fdbb52000e9b1b7a92_l3.png "Rendered by QuickLaTeX.com")
a sign of its
![\[z-coordinate\]](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-067e65ebf5cff15b3a6da5444f1d6128_l3.png "Rendered by QuickLaTeX.com")
will change
So, Image of point
![\[\left( 5,\text{ }2,\text{ }-7 \right)\text{ }is~\left( 5,\text{ }2,\text{ }7 \right)\]](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-4c0cfd0c39511e8d91333c866b65b69d_l3.png "Rendered by QuickLaTeX.com")
(ii)
![\[\left( -5,\text{ }0,\text{ }3 \right)\]](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-544c78db35461c3af66508290ec35098_l3.png "Rendered by QuickLaTeX.com")
Since we need to find its image in
![\[xz-plane,\]](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-bb3ec31b332c96eb72b9be18257ca48a_l3.png "Rendered by QuickLaTeX.com")
sign of its
![\[y-coordinate\]](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-1be762068795ff4feb342f525c29a83b_l3.png "Rendered by QuickLaTeX.com")
will change
So, Image of point
![\[\left( -5,\text{ }0,\text{ }3 \right)\text{ }is~\left( -5,\text{ }0,\text{ }3 \right)\]](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-a841df07bed1b6fd7cfdef7e7994da4a_l3.png "Rendered by QuickLaTeX.com")
Find the image of: (i) (5, 2, -7) in the xy-plane (ii) (-5, 0, 3) in the xz-plane
Find the image of: (i) (5, 2, -7) in the xy-plane (ii) (-5, 0, 3) in the xz-plane