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How do I simplify this? (9r^6)^(3/2)

And How do I solve this: √(4x)=x

 Jan 15, 2015

Best Answer 

 #1
avatar+23254 
+5

In (9r6)3/2, split as (9)3/2 · (r63/2

For (9)3/2:  =  (√9)3  =  33  =  27

In  (r63/2  multiply the exponents:  6 x 3/2  =  9   --->   r9

So the answer is  27r9.

For:  √(4x)  =  x   

Square both sides:   4x  =  x²

--->   0  =  x² - 4x   --->   0  =  x(x - 4)   --->   x = 0   or   x = 4

 Jan 16, 2015
 #1
avatar+23254 
+5
Best Answer

In (9r6)3/2, split as (9)3/2 · (r63/2

For (9)3/2:  =  (√9)3  =  33  =  27

In  (r63/2  multiply the exponents:  6 x 3/2  =  9   --->   r9

So the answer is  27r9.

For:  √(4x)  =  x   

Square both sides:   4x  =  x²

--->   0  =  x² - 4x   --->   0  =  x(x - 4)   --->   x = 0   or   x = 4

geno3141 Jan 16, 2015

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