Recent content by amy21

. write the system of linear equ x1 +2x2 +2x4 = 3 (a) as AX=b 2x1 -3x3 +2x4 =6 x1 -x2 -x3 = 0 b find rank and nullity of matrix A c find general solution of the...

that is what confused me because they all can happen just depends on distance from the event horizon and since there was no option above a i was confused . but thanks! a quick question if there are Two stars that have the same temperature, but one has twice the radius of the other. The...

1. Photons approaching a black hole will initially a. all of the above are possible depending on distance from the event horizon b. pass by with their direction changing (bending/curving) c. fall into the black hole d. go into orbit around the black hole e. pass by without...