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For what values of
c will
A=\left[[tex]\begin{array}{cc}1 & 4 \\ c & c^2\end{array}\right] be invertible?[/tex]

For all
c such that
c \\eq
(If there are multiple values, separate them by comma(s).)

1 Answer

5 votes

Answer:

(1,-2),(6,21)

Explanation:

User Jakehawken
by
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