In $\triangle \mathrm{ABC}$, if ' $\mathrm{S}$ ' is the circumcentre and ' $\mathrm{O}$ ' is the orthocentre then $\overline{O A}+\overline{O B}+\overline{O C}=$

• Correct answer
  A

  $2(\overline{A S}+\overline{B S}+\overline{C S})$
• B

  $\overline{O S}$
• C

  $2 \overline{S O}$
• D

  $\overline{S O}$

Hence, the correct answer is option: 'A'.