If in a right angled triangle $\mathrm{ABC}$, the hypotenuse $|\overrightarrow{A B}|=p$ then $\overline{A B}…

If in a right angled triangle $\mathrm{ABC}$, the hypotenuse $|\overrightarrow{A B}|=p$ then $\overline{A B} \cdot \overline{A C}+\overline{B C} \cdot \overline{B A}+\overline{C A} \cdot \overline{C B}=$
  1. $p^2$
  2. $2 p^2$
  3. $3 p^2$
  4. $\frac{p^2}{2}$

Solution

No solution. Refer to answer key.

Asked in: AP EAMCET 2017 (24 Apr Shift 1)

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