If m^(-1) = -1/2 then m^(-2) is equal to
Pick
A) -9 B) -3 C) -1/9 D) 1/4 E) 9
You made a mistake here.   You're right till   m^-2 = 1/m^2 and m^-1 = 1/m^1 = 1/m   given m^-1 1/  1= 
<gadget id="calculator">1/  1</gadget>
<output>1</output>
1/m   given m^-1= -(1/2) so, 1/m = -(1/2) solving this, m = -2   Now, m^-2 = 1/m^2 = 1/(-2)^2 = 1/4 ANS 1/4
<result>D</result>
If m^(-1) = -1/2 then m^(-2) is equal to