Find the Determinant of the Given Matrix $$\left[ \begin{array} { r r r } - 1 & - 3 & 5 \\- 5 & - 1 & - 5 \\- 4 & 4 & 1\end{array} \right]$$

question 273

Multiple Choice

Find the determinant of the given matrix.
- $$\left[ \begin{array} { r r r } - 1 & - 3 & 5 \\- 5 & - 1 & - 5 \\- 4 & 4 & 1\end{array} \right]$$

• A) \(- 214\)
• B) 214
• C) \(- 104\)
• D) \(- 94\)

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Definitions:

Placebo Effect

A phenomenon wherein a patient's symptoms can improve after receiving a treatment with no therapeutic value, purely because of the individual's belief in the treatment's efficacy.

Experimenter Bias

A type of research bias where the expectations or preferences of the researcher influence the outcomes of the study.

Researcher's Expectations

Preconceived beliefs or predictions about the outcome of a study, which can potentially influence the results unintentionally.

Statistically Significant

A term used to describe a result that is unlikely to have occurred by chance alone, according to a pre-determined threshold in hypothesis testing.