P is point in the plane of the triangle ABC- pv-s of A-B and c- a- b and c respectively with respect to P as the origin- If b - c - b - c - 0 and c - a - c - a - 0 then w-r-t- the triangle ABC-P is its

[ ( b⃗ +c⃗ #160; ) ·( b⃗ c⃗ #160; ) =0; | b⃗ #160; | ^ 2 | c | ^ 2 =0; | a⃗ #160; | =| b⃗ #160; | =| c⃗ #160; | ...

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Addition of Vectors

P is point in...

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P is point in the plane of the triangle ABC. pv's of A,B and c. $\to a$ , $\to b$ and $\to c$ respectively with respect to P as the origin.
If $(\to b + \to c) \cdot (\to b - \to c) = 0$ and $(\to c + \to a) \cdot (\to c - \to a) = 0$ then w.r.t. the triangle ABC,P is its

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