Use the properties of determinants to find the value of the second determinant, given the value of the first.
-
A) 120
B) -40
C) -120
D) 40
Correct Answer:
Verified
Q169: Solve the problem. Q170: Perform the indicated operation(s), whenever possible. Q171: Solve the system of equations using Cramerʹs Q172: Solve the system of equations using Cramerʹs Q173: Perform the indicated operation(s), whenever possible. Q175: Use the properties of determinants to find Q176: Use the properties of determinants to find Q177: Solve the problem. Q178: Use the properties of determinants to find Q179: Solve the problem.
-Given that 
-Let
-Let
-Determinants are used to show
-The area of a triangle
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