Find the non-zero positive value of x which sat... - JAMB Mathematics 1997 Question
Find the non-zero positive value of x which satisfies the equation \(\begin{vmatrix} x & 1 & 0 \ 1 & x & x \ 0 & 1 & x\end{vmatrix}\) = 0
A
2
B
4
C
√3
D
√2
correct option: a
x(x2 - 1) - x = 0
= x3 - 2x = 0
x(x2 - 2) = 0
x = 2
= x3 - 2x = 0
x(x2 - 2) = 0
x = 2
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