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1-62 Command Reference: Part A (1.1)

*RWR,QGH[

([DPSOH  6ROYHWKHIROORZLQJH[SUHVVLRQIRUZKHUH;LVWKHGHIDXOWYDULDEOHRQWKHFDOFXODWRU

&RPPDQG

SOLVEVX(X^3-X-9)

5HVXOW {X=2.2400}

1RWHWKDWLIH[DFWPRGHLVVHWWKLVH[DPSOHUHWXUQVDQXOOOLVWDVWKHUHDUHQRH[DFW

VROXWLRQVWRWKHHTXDWLRQ

6HHDOVR 62/9(

SUBST

7\SH )XQFWLRQ

'HVFULSWLRQ 6XEVWLWXWHVDYDOXHIRUDYDULDEOHLQDQH[SUHVVLRQ7KHYDOXHFDQEHQXPHULFRUDQ

H[SUHVVLRQ

$FFHVV $OJHEUD

>ú

,QSXW /HYHO$UJXPHQW$QH[SUHVVLRQ

/HYHO$UJXPHQW7KHYDOXHRUH[SUHVVLRQWREHVXEVWLWXWHG

2XWSXW 7KHH[SUHVVLRQZLWKWKHVXEVWLWXWLRQPDGH

)ODJV ([DFWPRGHPXVWEHVHWIODJ²FOHDU

1XPHULFPRGHPXVWQRWEHVHWIODJ²FOHDU

([DPSOH  6XEVWLWXWH[ ]IRU[LQWKHIROORZLQJH[SUHVVLRQDQGDSSO\WKH(;3$1'FRPPDQG

WRVLPSOLI\WKHUHVXOW

&RPPDQG

SUBST(X^2+3*X+7,X=Z+1)

EXPAND(ANS(1))

5HVXOW Z^2+5*Z+11

SUBTMOD

7\SH )XQFWLRQ

'HVFULSWLRQ 3HUIRUPVDVXEWUDFWLRQPRGXORWKHFXUUHQWPRGXOXV

$FFHVV $ULWKPHWLF

<! 02'8/2

x–9–

3x 7++

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