To evaluate:The value of the given determinant using diagonals.
Answer to Problem 8CYU
The value of the given determinant is 302.
Explanation of Solution
Given information:The given determinant is
Calculation:
To find the value of determinant, rewrite the column 1 and column 2 to the right of determinant.
Now, find the product of elements of three diagonals from left to right.
Find the product of elements of three diagonals from right to left.
The sum of first group is:
The sum of second group is:
The difference of sum of second group from the sum of the first group is:
Therefore, the value of the given determinant is 302.
Chapter 3 Solutions
Glencoe Algebra 2 Student Edition C2014
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