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6. Press y ã
QUIT
Begin on a blank line. Press Ž ~ to
display the
MATRX MATH
the bottom items on the menu are shown, then
select
...row+(
(item
Home screen.
7. Press Ì
¢. Press Ž
2
from the
MATRX NAMES
¤ Í. This multiplies row 1 by L2 and
2
adds it to row 2. The resulting matrix is
displayed and stored in
not changed.
8. Press Ž ~ to display the
...row(
menu. Select
¢ y ã
ä ¢
Ans
2 of the matrix in
resulting matrix is displayed and stored in
9. Press Ž ~. Select
Ì
¢ y ã
2
Ans
multiplies row 2 of the matrix in
adds it to row 1. The resulting reduced row-
echelon form of the matrix is displayed and
stored in
.
Ans
N 1z = L3
1x
1y + 2z = 3
ä to return to the Home screen.
menu. Press † until
).
...row+(
is copied to the
A
(to select
1
menu). Press ¢
Ans
. The value of
MATRX MATH
) and then press Ì
(item
0
¤ Í. This multiplies row
2
by L1. Again, the
Ans
...row+(
(item
ä ¢
¢
¤ Í. This
2
1
Ans
x = - 3 +
so
y = 3 N 2z
ãAä
¢
1
ãAä
is
1
.
Ans
A
). Press
by L2 and
z
Matrices 10-3
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