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in Determinants by (74.0k points)
Choose the correct answer from the following :
The inverse of matrix `|{:(1,3),(2,-1):}|is:`
A. `1/7|{:(1,3),(2,-1):}|`
B. `1/7|{:(-1,3),(2,1):}|`
C. `1/7|{:(1,-3),(-2,-1):}|`
D. `1/7|{:(-1,-1),(2,1):}|`

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1 Answer

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Correct Answer - A

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