Given that "a" is some nonzero constant, calculate the inverse of the following matrix: 5 - 3a 7

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Chapter3: Determinants
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Given that "a" is some nonzero constant, calculate the inverse of the following matrix:
5 -За
7
9
9
7
(45 – 2la)
- 3a 5
1
9
За
(45+21a)
-7 5
9 За
(45 – 21la)
-7 5
1
9
(45+ 21a)
— За 5
Transcribed Image Text:Given that "a" is some nonzero constant, calculate the inverse of the following matrix: 5 -За 7 9 9 7 (45 – 2la) - 3a 5 1 9 За (45+21a) -7 5 9 За (45 – 21la) -7 5 1 9 (45+ 21a) — За 5
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