Shacvet
Shacvet
29-06-2017
Mathematics
contestada
Solve the matrix equation for a, b, c, and d.
Respuesta :
ARYANAGARWAL
ARYANAGARWAL
02-07-2017
a+2c b+2d = 6 3
3a+4c 3b+4d 19 2
a+2c=6
a=6-2c
3a+4c = 19
3(6-2c)+4c = 19
18-6c+4c = 19
4c-6c = 19-18
-2c=1
c = -1/2
a = 6 - 2c
a = 6 - 2(-1/2)
a = 6+1
a=7
b+2d=3
b=3-2d
3b+4d=2
3(3-2d) + 4d = 2
9-6d +4d = 2
4d-6d = 2-9
-2d = -7
d = 7/2
b = 3-2d
b = 3-2(7/2)
= 3-7
= -4
a b = 7 -4
c d -1/2 7/2
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