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Finding the Derivative of Functions
Finding the Integral of Functions
Symbolic Manipulation
Solve the system of equations 2x N 3y = 4 and Lx + 7y = L12. Solve the first
equation so that x is expressed in terms of y. Substitute the expression for
x into the second equation, and solve for the value of y. Then substitute
the y value back into the first equation to solve for the value of x.
Steps and keystrokes Display
Find the derivative of (xNy)
3
/(x+y)
2
with respect
to x.
This example illustrates using the calculus
differentiation function and how the function is
displayed in “pretty print” in the history area.
Press 2 = c X | Y d Z 3 e c X « Y d Z
2 b X d ¸
Steps and keystrokes Display
Find the integral of
x…sin(x) with respect to x.
This example illustrates using the calculus
integration function.
@2 < X p 2 W X d b X d ¸
Steps and keystrokes Display
1. Display the Home screen and clear the entry
line. Solve the equation 2x N 3y = 4 for x.
„
1 selects solve( from the Algebra menu.
You can also type solve( directly from the
keyboard or select it from the Catalog.
@ " M M „ 1 2 X | 3 Y Á 4
b X d ¸
2. Begin to solve the equation Lx+7y=L12 for
y, but do not press ¸ yet.
Press „ 1 ? X « 7 Y Á ? 12 b Y d
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