'1^(m*(k+1)), Tfln(y)' 1: 'tfln(y) – HP 48g Graphing Calculator User Manual
Page 244
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Step 2:
Use CALC to access the stack, enter and du|3licate the
transformation expression.
[NXT) CFiLC (©(TANICTY
3:
'1^(M*(K+1))'
£:
'TflN(Y)'
1: 'TflN(Y)'
(ENTER)(ENTER)
Step 3: Transform the variable of integration, purge Y to ensure
a symbolic result, and compute the derivative of the
transformation expression.
0©X (ST©
3:
£:
'1^0^*CK+1))'
1: '1+TFIN(Y)"2'
(©
©
Y
(ENTER ) (ENTER )
(^(PURG)fi©(F|
Step 4:
Multiply the derivative of the transformation expression
20
by the integrand, evaluate to effect the transformation and
return the result to the
UK
field.
ilNTEGKHTEi
HMazHraiE™
VftR:
LD:
HI:
REiULT: Symbolic
ENTER ERPRESflDN
Step 5:
Enter the new variable of integration, then compute and
enter the transformed limits.
O ©Y (ENTER)
CfiLC 1 f^fATAN) 0
rg C
h
L C (MTH)(NXT)
C O N S ( N X T l M f l N R
p^f ATAN) f^fCONTÌ (
INTEGRATE
E R P R : ' l / < T F I H < V > * < T f l M . . .
VRR:
V
LD:
.
78...
HI:
IfciBa
RESULT:
Symbolic
ENTER UPPER LIMIT
Step 6:
Change the result type to
and compute the integral.
(•*•/-) (until Std is displayed)
leric, set the display to S
1:
.693147180555
20-4 Calculus and Symbolic Manipulation