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Find the value of the matrices A) 17 B) 12 C) 15 D) 13
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Find the value of the matrices
A) 17
B) 12
C) 15
D) 13

Find the value of the matrices A) 17 B) 12 C) 15 D) 13-example-1
User William Langlois
by
5.7k points

1 Answer

6 votes

Answer:

option C is correct

Explanation:

We need to find the determinant.

= -1(7*9 - 3*9)-( -3)(4*9 - 3*3) -2(4*9 -7*3)

= -1(63-27) +3 (36 - 9) -2( 36- 21)

= -1(36)+3(27)-2(15)

= -36+81-30

= 15

Option C is correct

User Alan Kersaudy
by
5.7k points
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