A.a) x = căn5
b) x=-3/2; x = 3/2
c) (x;y)=(2;-1)
d) x=-8;x=2
B.a) x = căn5
b) x=9/4
c) (x;y)=(2;-1)
d) x=-8;x=2
C.a) x = căn5
b) x=-3/2; x = 3/2
c) (x;y)=(2;1)
d) x=-8;x=2
D.a) x = -căn5
b) x=-3/2; x = 3/2
c) (x;y)=(2;-1)
d) x=8;x=2
Loga
Hóa Học lớp 12
