Hp 49g Graphing Calculator Manual de usuario Pagina 119

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7. Apply the command to simplify the result.
! fJilD KYZ HE!-! C=
iHOMEJ _________
:EKPRND
-[i€XF(i.X'ir)^]+l
_____________
2'EXP(i’X''n')
Working in Equation Writer
In Equation Writer, you can apply a computer algebra command to the
entire expression, or you can select a part of the expression to apply a
command to. See chapter 3, “Creating and editing expressions”, for details
on how to use Equation Writer.
In Equation Writer, you can use only those commands that
require one argument, and you cannot use commands that return
more than one result.
The following example demonstrates how to use Equation Writer to
evaluate the integral of an expression between two indefinite limits, and
factorize a part of the result. The expression to evaluate is:
1 ^ 2
J (x + 3x)dx
1. Open Equation Writer and enter the
expression.
2. Select the expression.
3. Evaluate the expression
EVAL
Working with expressions
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