2^0.5 , 2^-2 , 和 2^-0.5這些要點計?

2^0.5 means the square root of 2
2^-2 means 1/(2^2)
2^-0.5 means 1/(2^0.5)

2007-09-09 19:03:12 補充：
16^0.5=42^-2=1/416^-0.5=1/4REMEMBER THERE IS NO 0^-1 (ERROR INFINITY)EVERY x^0 is equal to 1 4^0=1

2007-09-12 19:12:09 補充：
0^-1 INFINITY REAL SOLUTIONS