Help please? for the matrix A = (2x2) [ top row (2 1)bottom row (3 2) ]. det(a) explanation please :)

Question

anonymous · Answer

sorry find det (a)

ray10 · Answer

$$\left[\begin{matrix}2 & 1 \ 3 & 2\end{matrix}\right]$$ is the matrix you're looking at correct?

anonymous · Answer

$$
\det \begin{vmatrix}
a&b\
c&d
\end{vmatrix}=ad-bc
$$

ray10 · Answer

Wio has got it straight there :)

anonymous · Answer

Find the pattern.

anonymous · Answer

2-6 is -4 though the answer is 1 i think im a bit lost could you please put it into worded form

anonymous · Answer

ohhhh thankyouuu sorry my ipad made it retarded thanks for your help i wish i could give you both a medal

anonymous · Answer

Ray 10 maybe you could help me with my next question

ray10 · Answer

well wio stated that $$ad-bc$$ so in your case it is $$2 \times 2$$ - $$3 \times 1$$so $$4-3=1$$

ray10 · Answer

yes what is your next question @sky202  ?