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Compute the determinants of the elementary matrices given in Exercises $25-30 .$ (See Section $2.2 . )$$$\left[\begin{array}{ccc}{1} & {0} & {0} \\ {0} & {k} & {0} \\ {0} & {0} & {1}\end{array}\right]$$

Determinant $= \mathrm { k }$

Algebra

Chapter 3

Determinants

Section 1

Introduction to Determinants

Introduction to Matrices

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101 today we're going to solve a problem. Number 29 here. We had to find the return mint off one zero. Settle still que zero 00 What so determinant will be like learn, expanding along first look burning the K minus zero, which is equals, kid.

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