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Step-by-Step Examples 16-17
Then press to
produce the result at the
right:
In other words,
.
If is part of , then is also
part of .
Since and are symmetrical with respect to the x-
axis, we can deduce that the x-axis is an axis of symmetry
for .
Part 3 Calculate by typing:
DERVX
X
t. Press
to highlight the
expression.
Pressing returns the
result at the right:
Press to simplify the
result:
You can now define the
function by invoking
DEF.
Note: You will first need to type =X1(t) then exchange
X1(t) with the previous expression.
To do this, highlight X1(t)
and type .
Now select the entire
expression and apply the
DEF command to it:
Finally press to
finish the definition.
yt–() yt()–=
M
1
xt()yt()(,) Γ M
x
xt–()yt–()(,)
Γ
M
1
M
2
Γ
x′ t()
x′ t()
hp40g+.book Page 17 Friday, December 9, 2005 1:03 AM