Learn To Be Home

Learn To Be brings free online tutoring students around the United States. Volunteer and gain community service hours while helping students who need it./p>

Become A Tutor Enroll A Student
< Exercises

Multiply matrices

D=[4−12−1]\text D = \left[\begin{array}{rr}4 & -1 \\ 2 & -1\end{array}\right] and A=[31021−2]\text A = \left[\begin{array}{rrr}3 & 1 & 0 \\ 2 & 1 & -2\end{array}\right]
Let H = DA\text {H = DA}. Find H\text H.
H = \textbf {H = }