If \(\left[\matrix{3&2\\1&4}\right]\) = \(\left[\matrix{\alpha &\beta \\\gamma & { \theta }^{ 2 } }\right]\), then what is the value of \(\theta \) ?
Answer & explanation
Correct answer: option 3
On Comparing two matrices
\( { \theta }^{ 2 } = 4\)
$\Rightarrow \theta = 2 or -2$