HP 40gs hp 40gs_user's guide_English_E_HDPMSG40E07A.pdf - Page 194
Expand, Factor
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hp40g+.book Page 12 Friday, December 9, 2005 1:03 AM EXPAND FACTOR 14-12 which gives 4294967297 You can factor F(5) with FACTOR, which you'll find in the ALGB menu on the menu bar. Typing: FACTOR(F(5)) gives: 641·6700417 Typing: F(6) gives: 18446744073709551617 Using FACTOR to factor it, then yields: 274177·67280421310721 Distributivity EXPAND expands and simplifies an expression. Example Typing: XPAND((X2 + 2 ⋅ X + 1) ⋅ (X2 - 2 ⋅ X + 1) gives: x4 + 1 Factorization FACTOR factors an expression. Example To factor: x4 + 1 type: FACTOR(X4+1) FACTOR is located in the ALGB menu. Computer Algebra System (CAS)
14-12
Computer Algebra System (CAS)
which gives
4294967297
You can factor
F(5)
with
FACTOR
, which you’ll find in the
ALGB
menu on the menu bar.
Typing:
FACTOR(F(5))
gives:
641·6700417
Typing:
F(6)
gives:
18446744073709551617
Using
FACTOR
to factor it, then yields:
274177·67280421310721
EXPAND
Distributivity
EXPAND expands and simplifies an expression.
Example
Typing:
gives:
FACTOR
Factorization
FACTOR factors an expression.
Example
To factor:
type:
FACTOR(X
4
+1)
FACTOR
is located in the
ALGB
menu.
XPAND
X
2
2
X
1
+
⋅
+
(
)
X
2
2
X
⋅
1
+
–
(
)
⋅
(
x
4
1
+
x
4
1
+
hp40g+.book
Page 12
Friday, December 9, 2005
1:03 AM