Question
Question: One root of the equation \(\left| \begin{matrix} 3x–8 & 3 & 3 \\ 3 & 3x–8 & 3 \\ 3 & 3 & 3x–8 \end{m...
One root of the equation 3x–83333x–83333x–8 = 0 is –
A
8/3
B
2/3
C
1/3
D
16/3
Answer
2/3
Explanation
Solution
Let C1 → C1 + C2 + C3; C2 → C2 – C3
3x–23x–23x–203x–1111–3x333x–8 = 0
∴ X = 2/3 is one root.