64,326 views
42 votes
42 votes
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).)

User GammaGames
by
3.0k points

1 Answer

27 votes
27 votes

Answer:

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

Explanation:

User Vasant PADHIYAR
by
3.1k points