$\operatorname{det}\left[\begin{array}{ccc}\frac{a^2+b^2}{c} & c & c \\\\ a & \frac{b^2+c^2}{a} & a \\\ b & b & \frac{c^2+a^2}{b}\end{array}\right]=$
- A$(a-b)(b-c)(c-a)$
- B$(a+b)(b+c)(c+a)$
- C$2 a b c$
- D$4 a b c$
✓ Correct answer: D
Want the full step-by-step reasoning?