Question

已知方程x²＋xlog₂6＋log₂3＝0的兩根為α、β，則()^α·()^β＝(　　)

A.                                   B．36

C．－6                                  D．6

Answer 1

 B[解析]　由題意知：α＋β＝－log₂6，()^α·()^β＝()^α＋β＝()^－log26＝4^log26＝2^2log26＝36.