Tìm x
tìm x :
a, ^7 . ( 1 - x ^ 3 ) = 0
b, ( x - 1 ) ^ 3 = ( x - 1 ) ^ 8
c, ( 6- 2x ) ^ 20 = ( 6-2 x ) ^ 15
d, ( x - 1 ) ^ 3 = ( x-1 ) ^ 8
a, ^7 . ( 1 - x ^ 3 ) = 0
b, ( x - 1 ) ^ 3 = ( x - 1 ) ^ 8
c, ( 6- 2x ) ^ 20 = ( 6-2 x ) ^ 15
d, ( x - 1 ) ^ 3 = ( x-1 ) ^ 8