x |
lnx |
x |
lnx |
lnx-1 |
ln2x |
2 |
x |
2 |
x |
{ | 2lnx1-x12-ax1=0 2lnx2-x22-ax2=0 |
2(lnx1-lnx2) |
x1-x2 |
2 |
px1+qx2 |
2(lnx1-lnx2) |
x1-x2 |
2 |
px1+qx2 |
2(lnx1-lnx2) |
x1-x2 |
2 |
px1+qx2 |
2(lnx1-lnx2) |
x2-x1 |
x2-x1 |
px1+qx2 |
x1 |
x2 |
x1 |
x2 |
1-t |
pt+1 |
1-t |
pt+q |
1 |
t |
-(pt+q)-(1-t)?p |
(pt+q)2 |
1 |
t |
1 |
(pt+q)2 |
(pt+q)2-t |
t(pt+q)2 |
p2(t-1)(t-
| ||
t(pt+q)2 |
q2 |
p2 |
1-t |
pt+q |
x2-x1 |
px1+qx2 |
x1 |
x2 |