Question D.1: Evaluate the following determinants:
Evaluate the following determinants:
\text { a. }\left|\begin{array}{ll}2 & 2 \\3 & 4\end{array}\right|=(2)(4)-(3)(2)=8-6=2.
\text { b. }\left|\begin{array}{rr}4 & -1 \\6 & 2\end{array}\right|=(4)(2)-(6)(-1)=8+6=14.
\text { c. }\left|\begin{array}{rr}0 & -2 \\-2 & 4\end{array}\right|=(0)(4)-(-2)(-2)=0-4=-4.
\text { d. }\left|\begin{array}{rr}0 & 0 \\3 & 10\end{array}\right|=(0)(10)-(3)(0)= 0.
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