QuestionZa koji realan parametar $b$ dani sustav ima jedinstveno rješenje? $\begin{array}{r} x_{1}+2 x_{2}+(b+1) x_{3}=1 \\ -2 x_{1}+b x_{2}-4 x_{3}=0 \\ x_{1}+x_{2}+2 x_{3}=0 \end{array}$
Odaberite jedan odgovor: a. $\quad b \neq 1$ i $b \neq-1$ b. $\quad b \neq 2$ i $b \neq-1$ c. $b \neq 2$ i $b \neq 1$ d. Ne znam. e. $\quad b \neq-2$ i $b \neq 1$

Studdy Solution
Identify the correct option based on the values of $b$ :
The system has a unique solution if $b \neq -2$ and $b \neq 1$ .
The correct answer is: e. $b \neq -2$ and $b \neq 1$
The correct parameter $b$ for which the system has a unique solution is given by option $\boxed{e}$ .

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