Find a,b,c,d if ( begin{bmatrix}a&b+c c+d&b end{bmatrix} )= ( begin{bmatrix}3&2 3&-1 end{bmatrix} ) are equal matrices.

Find a,b,c,d if ( begin{bmatrix}a&b+c c+d&b end{bmatrix} )= ( begin{

1.	Find a,b,c,d if ( begin{bmatrix}a&b+c c+d&b end{bmatrix} )= ( begin{bmatrix}3&2 3&-1 end{bmatrix} ) are equal matrices.
A.	3, 0, 1, -1
B.	1,-3, 0, 3
C.	3, -1, 3, 0
D.	3, 3, -1, -1
Answer» D. 3, 3, -1, -1