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Elden [556K]
3 years ago
6

Use the determinant of the coefficient matrix to determine which of the following linear systems have unique solutions.

Mathematics
2 answers:
Talja [164]3 years ago
5 0

Answer:

1, AND 2

Step-by-step explanation:

EDG 21

dem82 [27]3 years ago
4 0

Answer:

Options A, B.

Step-by-step explanation:

Egde 2021

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Find the rational solution of x^3-3x^2+x+5=0. Show your use of the rational zero theorem to receive credit.
nasty-shy [4]
The rational root (or zero) theorem says a polynomial's rational zeros must have factors of the constant in the numerator and those of the leading coefficient in the denominator.

Here the leading coefficient is 1 and the constant is 5, so our only possibilities for rational roots are 1, -1, 5, -5

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