Math, asked by kumarmanas26868, 5 hours ago

If adj A=(2 - 4 2 find A
- 3 12 - 7
- 2 0 2)

Answers

Answered by pawanibarar
0

Answer:

Given, A=[

5

7

2

3

]

Therefore,

∣A∣=

5

7

2

3

=15−14=1

We know that, |adj (A)| = ∣A∣

n−1

, where n is order of determinant.

Therefore,

∣adj(A)∣=∣1∣

2−1

∣adj(A)∣=1

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