Multiplicative Inverses of Matrices and Matrix Equations
1 Find the Multiplicative

question 62

Multiple Choice

Multiplicative Inverses of Matrices and Matrix Equations
1 Find the Multiplicative Inverse of a Square Matrix
- $A = \left[ \begin{array} { l l } - 5 & 1 \\ - 7 & 1 \end{array} \right] , \quad B = \left[ \begin{array} { l } \frac { 1 } { 2 } - \frac { 1 } { 2 } \\ \frac { 7 } { 2 } - \frac { 5 } { 2 } \end{array} \right]$

• A) \(B = A ^ { - 1 }\)
• B) \(\mathrm { B } \neq \mathrm { A } ^ { - 1 }\)

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Definitions:

Statistically Significant

Refers to a result in data analysis that is not likely to occur by chance alone, indicating a genuine effect or difference in a study.

Probability

A measure of the likelihood that an event will occur, expressed as a number between 0 and 1, where 0 indicates impossibility and 1 indicates certainty.

Correlation Coefficient

A numerical measure that indicates the extent and direction of the relationship between two variables, ranging from -1 to 1.

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