Page 23 - Integration Problems

1 1
ln ( )
8 9

The keystrokes for your fx-991ES Calculator are,

1a8$h1a9$)=

Confirm this result, perform the integral on your fx

calculator,

2
∫ 2
1 4 − 12 + 5

The keystrokes are,

y1a4Q(X)dp12J(X)+5

R1E3=

Which confirms the integration is correct. On the

next page you will see a plot of the function,

19