HP 40gs Manual de usuario Pagina 218

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14-36 Computer Algebra System (CAS)
L1=2L1+L2
ENTER
Reduction Result
then press ENTER. The following is then written to the
Equation Writer:
(x = 2) AND (y = 1)
Example 2
Type:
(2·X+Y+Z=1)AND(X+Y+2·Z=1)AND(X+2·Y+Z=4)
Then, invoke LINSOLVE and type the unknowns:
X AND Y AND Z
and press the ENTER key.
The following result is produced if you are in Step-by-step
mode (CFG, etc.):
L2=2L2L1
ENTER
L3=2L3L1
and so on until, finally:
Reduction Result
11 3
02 2
20 4
02 2
211 1
112 1
121 4
211 1
013 1
121 4
80 0 4
08 0 20
00 8–4
hp40g+.book Page 36 Friday, December 9, 2005 1:03 AM
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