Basic HTML Version
212
x
2
þ
a
þ
b
ð
Þ
2
x
þ
a
þ
b
ð
Þ ¼
0
a
þ
b
ð
Þ
,
a
þ
b
ð
Þ
½
213
x
2
a b
ð
Þ þ
x
½
¼
a b a
ð
Þ þ
b a b
ð
Þ
b a
,
b a
½
214
x a
a
þ
x
2
þ
a
2
2
a
¼
a
2
a
,
a
½
215
x
2
a
1
þ
x
a
¼
2 2
a
4
a
2
1
a
2
a
,
1
a
2
a
2
a
216
x
2
2
ffiffi
a
p
x
þ
a
¼
1
ffiffi
a
p
1,
ffiffi
a
p þ
1
½
217
x
2
x
þ
ab
ð
a
þ
b
Þ
2
¼
0
a
a
þ
b
,
b
a
þ
b
218
a
þ
b
ð
Þ
x
2
a
þ
b
ð
Þ
x
þ
1
¼
x
1
a
þ
b
,
a
þ
b
219
x x
2
a
ð
Þ þ
a
2
3
¼
0
a
ffiffi
3
p
,
a
þ
ffiffi
3
p
220
a
2
x
2
x
2
2
a
2
x
þ
a
2
¼
0
a
a
1
,
a
a
þ
1
221
8
x
2
2 4
a
þ
1
ð
Þ
x
þ
6
a
3
¼
0
2
a
1
2
,
3
4
222
x
2
þ
2
ax x
2
a
¼
0
2
a
, 1
½
223
3
x
2
a
þ
3
b
ð
Þ
x
þ
ab
¼
0
a
3
,
b
h i
224
ð
1 4
b
2
Þ
x
2
1
b
2
2
x
þ
1
þ
2
b
2
1
b
2
¼
0
1,
1
þ
2
b
2
1 4
b
2
225
x
2
a
2
þ
b
3
x
þ
ab
6
¼
0
a
2
,
b
3
226
a
2
x
2
2
x
þ
a
2
9
¼
0
a
3
a
,
a
þ
3
a
227
4
x
2
þ
2
a
þ
b
ð
Þ
x
þ
ab
¼
0
a
2
,
b
2
228
ð
3
x
þ
a
Þð
x
þ
a
Þ
4
a
¼
x
2
a
2
b
þ
2
a
a
,
4
a
2
7
ab
3
b
4
a
229
b
þ
2
x
b
þ
1
x
þ
3
b
¼
x
ð
x
þ
b
Þ
5
b
2
þ
b
b
2, 1
b
½
230
2
x a
a
x
2
a
2
¼
0
a
,
a
se
a
6
¼
0; se
a
¼
0 l’eq. perde significato
½
231
a
2
x
2
þ
ax
6
¼
0
x
1
¼
3
a
,
x
2
¼
2
a
per
a
6
¼
0; per
a
¼
0 eq. imposs.
232
ax
2
þ
3
a
1
ð
Þ
x
3
¼
0
x
1
¼
3,
x
2
¼
1
a
per
a
6
¼
0; per
a
¼
0 solo
x
¼
3
233
a
þ
1
ð
Þ
x
2
þ
x a
¼
0
x
1
¼
1,
x
2
¼
a
a
þ
1
per
a
6
¼
1; per
a
¼
1 solo
x
¼
1
46
Sezione 1
Equazioni, disequazioni e sistemi non lineari