If A is a square matrix of order 3 having a row of zeros, then the determinant of A is *
1
0
3
-2
Answers
Answered by
28
Answer:
correct answer is zero (0).
Answered by
0
Given : A is a square matrix of order 3 having a row of zeros
To Find : determinant of A
1
0
3
-2
Solution:
determinant of A = 0
| A | = 0
| A | = 0 (bf - ec) - 0(af - cd) + 0(ae - bd)
= 0 - 0 + 0
= 0
| A | =a(0 - 0) - b(0 - 0) + c(0 - 0)
= 0 - 0 + 0
= 0
| A | =a(0 - 0) - b(0 - 0) + c(0 - 0)
= 0 - 0 + 0
= 0
determinant of A is 0 if a having a row of zeros
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