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fenix001 [56]
3 years ago
8

What is the correct formula for the value of the determinant? la bl |c d|

Advanced Placement (AP)
2 answers:
slava [35]3 years ago
8 0

Answer:

C. ad - cb

Explanation:

sammy [17]3 years ago
6 0

Answer:

D = ab - cd

Explanation:

Given

\left[\begin{array}{cc}a&b\\c&d\end{array}\right]

Required

Determine the determinant

Represent the determinant with D

Since the above matrices is 2 by 2.

All we have to do is to multiply the alternate elements of the columns

i.e. (a * d) and (b * c)

Then subtract:

D = (a * d) - (b * c)

Simplify

D = (ad) - (bc)

D = ab - cd

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