Finding Proper Fractions And Common Denominators - Texas Instruments TITANIUM TI-89 User Manual

Finding Proper Fractions and Common Denominators

Finding Proper Fractions and Common Denominators Finding Proper Fractions and Common Denominators Finding Proper Fractions and Common Denominators
Use the
propFrac
propFrac(rational expression
comDenom(expression
Find a proper fraction for the expression
4 2 2
(
x 2x + x) / (2x
N
Then transform the answer into a ratio of a
fully expanded numerator and a fully
expanded denominator.
Notice that
propFrac
opposite operations.
You can use
Note:
expression, list, or matrix.
In this example:
Symbolic Manipulation
(„ ) and
7 comDenom
[, ]
var )
[, ]
var )
for common denominators that collect
similar powers of this variable
.
+ x + 4)
and
comDenom
with an
comDenom
(„ ) functions.
6
for proper fractions with respect
to a variable
perform
If you do this example
on your handheld, the
propFrac function
scrolls off the top of the
screen.
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