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February 28, 2015

February 28, 2015

Posted by **luckybee** on Sunday, January 8, 2012 at 7:45pm.

a. x^1/4

b. x^4/3

c. x^3/4

d. x^4

- math gre study ques -
**drwls**, Sunday, January 8, 2012 at 8:21pm(x^6)^(1/24) = x^(1/4)

- math gre study ques -
**Damon**, Sunday, January 8, 2012 at 8:23pm{(x^6)^[(1/2)^3]}^(1/3)

[x^(6/8)]^(1/3)

x^(2/8)

x^1/4

check with x = 2

2^6 = 64

sqrt = 8

sqrt = 2sqrt 2

sqrt = sqrt 2 sqrt (sqrt 2)

= sqrt ( (sqrt2)^3)

now take the cube root of that

[sqrt (2 ^3/2)]^1/3

sqrt (2^1/2) = 2^1/4 sure enough

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