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Oksanka [162]
3 years ago
10

Evaluate the determinant for the following matrix [144] [522] [155]

Mathematics
1 answer:
WARRIOR [948]3 years ago
8 0
Matrix :

1    4    4

5    2    2

1    5    5

=> Determinant =

1 * (2*5 - 2*5) - 4 * (5*5 - 1*2) + 4 * ( 5*5 - 2*1)

= 1*(10 - 10) - 4*(25 - 2) + 4*(25 -2) = 1*0 + 4* 23 + 4*(25 - 2) = 0 - 4*23 + 4*23 = 0

Answer: 0
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To determine the solution of the quadratic equation, use the quadratic formula which states that,
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From the equation, a = 1, b = 14, and c = 112. Substituting these to the quadratic formula,
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Thus, the equation does not a real number solution. </span>
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Read 2 more answers
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