When x is the value, the following expressions are meaningful in the range of real numbers? (1) Radix 3-x (2) Radix 2x-1 When x is what value, the following expressions make sense in the range of real numbers? (1) Root sign 3-x (2) root sign 2x-1 / 1

When x is the value, the following expressions are meaningful in the range of real numbers? (1) Radix 3-x (2) Radix 2x-1 When x is what value, the following expressions make sense in the range of real numbers? (1) Root sign 3-x (2) root sign 2x-1 / 1

1、x1/2