CBSE Class 12-science Answered
If P, Q and R have position vectors (0, 0, 2), (2, 0, 0) and (0, 1, 0). Show that
is an isosceles.
![](http://images.topperlearning.com/topper/questions/13049_image013.gif)
Asked by Topperlearning User | 04 Jun, 2014, 13:23: PM
Here,P, Q and R have position vectors (0, 0, 2), (2, 0, 0) and (0, 1, 0).
![](https://images.topperlearning.com/topper/questions/13049_image014.gif)
Clearly, PR = QR.
Thus,
is an isosceles triangle..
![](https://images.topperlearning.com/topper/questions/13049_image013.gif)
Answered by | 04 Jun, 2014, 15:23: PM
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