The solution of the system of equation by using Cramer’s Rule.
Answer to Problem 12T
The solution of the system of equations is
Explanation of Solution
Given:
The system of equation is,
Calculation:
The determinant of the given system of equations is,
Expand the determinant by row 1.
Find the determinant
Solve for
Solve for
Formula to calculate the value of variable
Substitute
Formula to calculate the value of variable
Substitute
Formula to calculate the value of variable
Substitute
Thus, the solution of the system of equations is
Chapter 10 Solutions
Precalculus: Mathematics for Calculus - 6th Edition
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