Basic HTML Version
238
x a
x
þ
a
¼
x
þ
a
x a
2
x
2
þ
2
a
2
x
2
a
2
[Impossibile]
239
2
x
þ
a
¼
2
a
2
x
2
x
þ
a
2
þ
a
2
,
1
a
2
240
2
ab
x
þ
2
b a
¼
x
2
b
,
a
½
241
2
x
þ
a
þ
2
x
þ
a
x
¼
0
1,
a
2
h
i
242
x
þ
2
bx
2
ab
x a
¼
0
2
b
½
243
x
þ
a
x a
x a
2
x
þ
a
¼
6
a
2
a
2
þ
ax
2
x
2
3
a
, 2
a
½
244
2
a
2
1
a
x
¼
a
2
1
x
1
a
a
þ
1,
a
1
½
245
x
2
x
ð
b a
Þ
x b
þ
ab
b x
¼
0
a
½
246
ð
x
þ
a
Þ
2
x a
9
ð
x
þ
a
Þ
4
¼
2
a x
7
a
, 3
a
½
247
2
x a
x b
þ
x
þ
b
b
¼
2
b a
x b
3
b
½
248
a
ð
x
1
Þ
x
þ
1
2
x
þ
a
¼
x a
1
x
þ
1
þ
4
1
2
,
a
3
249
x a
x b
þ
x b
x a
¼ ð
a b
Þ
2
ð
x a
Þð
x b
Þ
[Impossibile]
250
2
a x
¼ ð
x
þ
a
Þ
2
þ
3
a
2
x
þ
2
a
0,
a
½
251
5
3
¼
2
ð
a x
Þ
a
2
x
1
þ
x
a
2
a
,
a
6
h
i
252
a
2
x
2
þ
ax
þ
x
x
þ
a
¼
a
x
[
a
]
253
ð
a
2
1
Þ
x
2
2
x
þ
1
þ
a
2
¼
0
a
a
þ
1
,
a
1
a
254
2
x
þ
ffiffi
a
p þ
x
2
x
ffiffi
a
p ¼
9
x
2
2
ffiffi
a
p
,
ffiffi
a
p
3
255
x
þ
a
2
x a
þ
3
x
2
x
þ
a
¼
3
a
,
a
½
256
x a
¼
x
2
a
2
ð
4
x
þ
a
Þ ð
x a
Þ
a
2
,
a
h
i
257
a
1
1
x
þ
b
1
þ
1
x
þ
a
b
3
¼
0
1
2
,
b
3
a
b
þ
3
a
258
x
1
a
1
þ
x
þ
2
ð
x
1
Þð
a
þ
2
Þ ¼
a
ð
x
þ
2
Þ
a
2
þ
a
2
a
,
5
2
259
ð
x a
Þ
2
þ ð
x b
Þ
2
ð
x a
Þð
x b
Þ ¼
x
2
2
ab
x
ð
x a b
Þ þ
ab
½
a
þ
b
,
a
þ
b
260
ð
a
1
Þ
2
x
þ
2
ð
a
1
Þ þ
x
¼
0
a
þ
1,
a
þ
1
½
48
Sezione 1
Equazioni, disequazioni e sistemi non lineari