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Sloan [31]
3 years ago
5

Can someone help me solve for a ?

Mathematics
1 answer:
Liono4ka [1.6K]3 years ago
4 0

Answer:

a=6 or -6

Step-by-step explanation:

Solve the determinant to get a²-36=0

(a-6)(a+6)=0

a=6 or -6

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