If \(Δ=\begin{vmatrix}1+a&1&1\\\ 1&1+b&1\\\ 1&1&1+c\end{vmatrix}\) then consider the following statements
I. if \(\frac{1}{a}+\frac{1}{b}+\frac{1}{c}=0\), then Δ = abc,
II. a-1 + b-1 + c-1 = -1, then Δ = 0
Which of the above statements is/are correct?
1
Only I
2
Only II
3
Both I and II
4
Neither I nor II