CHO 211X+ ⋅ C. (X2+1) X2+1. D. 1+X2. + ⋅ B. A. 1 221 XX...
Câu 36:
Cho
2
1
x
+
⋅
C.
(
x
2
+
1)
x
2
+
1.
D.
1
+
x
2
.
+
⋅
B.
A.
1
2
2
1
x
−
+ −
+ −
=
a
b
c
Câu 36:
Cho
2
1
x
+
⋅
C.
(
x
2
+
1)
x
2
+
1.
D.
1
+
x
2
.
+
⋅
B.
A.
1
2
2
1
x
−
+ −
+ −
=
a
b
c