For a>0,≠1, the roots of the equation logaxa+logxa2+loga2xa3=0 are given by
The value of a for which the quadratic equation 2x^2 - (a^3+8a-1)X + a^2-4a =0 possess roots of opposite signs are given by
a>0
a>5
4<a<8.5
0<a<4