Simplify: 23/2⋅41/42−1/2\frac{2^{3/2} \cdot 4^{1/4}}{2^{-1/2}}2−1/223/2⋅41/4
25/22^{5/2}25/2 (or 424\sqrt{2}42)
888
23/42^{3/4}23/4
444