Answer "C"
4^(x-1)2 = 4^(2x-2)
= (4^2x)/(4^2)
= sqrt(4^4x)/16 = sqrt(1600)/16 = 40/16 = 5/2
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RaviSankar Vemuri
Join my Google Group on Math:
https://groups.google.com/group/mathbyvemuri
My Blog on Math:
https://mathbyvemuri.blocked/
Some concepts for GMAT:
https://mathbyvemuri.blogspot.in/2012/05 ... -data.html
https://mathbyvemuri.blogspot.in/2012/05 ... dates.html
https://mathbyvemuri.blogspot.in/2012/05 ... es-of.html
Join my Google Group on Math:
https://groups.google.com/group/mathbyvemuri
My Blog on Math:
https://mathbyvemuri.blocked/
Some concepts for GMAT:
https://mathbyvemuri.blogspot.in/2012/05 ... -data.html
https://mathbyvemuri.blogspot.in/2012/05 ... dates.html
https://mathbyvemuri.blogspot.in/2012/05 ... es-of.html
















