Question

If a, b,c are sides of a triangle and \begin{vmatrix} a^2&b^2&c^2\\\(a+1)^2&(b+1)^2&(c+1)^2 \\\ (a-1)^2&(b-1)^2&(c-1)^2\end{vmatrix}=0 then $\triangle ABC$ is

• A. equilateral
• B. right angled isoceles
• C. isoceles
• D. right angled

Answer 1

Answer: (C)

isoceles

Answer 2

The correct option is (C): isoceles