Hp 49g Graphing Calculator Instrukcja Użytkownika Strona 120

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4. Select the numerator component of the
expression.
5. Factorize the numerator.
FACTO
Performing substitutions
Use tire SUBST command in the algebraic command list (0{ALG)) to
perfonn substitutions.
Tire following example substitutes the value 2 for x in
ln(x^ + 1) + atan(x)
1. From the Algebra menu, select the SUBST
command and place it on the command
line.
SU85TO
_____________________
RAD HVZ HER C= 'H'
•^HOHEl
_______
2. Use the command line editor to place the
arguments between the command’s
parentheses.
0®@©2©1®©0@1)®
000002
3. Apply the cominaiid.
RAD RV2 HER C= 'R'
•IHCiHE>
____________
;uR<T an i:r-2*i:> tATAn cr? j r=5-^
Because the calculator is in exact mode,
the command produces the following
exact result. Obtain an approximate result.
RSD KVZ HEK C= 'K'
iHOHEJ
________
: substI.ln(.x^+ i .I+hti=iN(X),:^
__________
LNta^+i)+RTRHi:a>
R№ XVS HEK C=
EHtiHEi
______
: subst(lnIx^+1 .l+fiTRN<x).,:^
LN(a^+1 )+HTRN(£:i
: -»-NUMiRNSi: 1»
____________a.7i6S8663i3aE
Page 5-10 Working with expressions
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