Multiple choice

lf the triangle is not a right angled triangle and tangent to circum circle at A and B intersects at F $(z_{6})$ then

  1. $\displaystyle \mathrm{z}_{6}=-\frac{\mathrm{z}_{1}\mathrm{z}_{3}}{\mathrm{z}_{2}}$
  2. $\displaystyle \mathrm{z}_{6}=-\frac{\mathrm{z}_{2}\mathrm{z}_{3}}{\mathrm{z}_{1}}$
  3. $\mathrm{z}_{6}^{2}=\mathrm{z}_{2}\mathrm{z}_{3}$
  4. $\displaystyle \mathrm{z}_{6}=\frac{2\mathrm{z}_{1}\mathrm{z}_{2}}{\mathrm{z}_{1}+\mathrm{z}_{2}}$
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D Correct answer

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