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8x^3/2(8 sq rt(x) - 7/sq rt (x))

 

 Sep 17, 2019
 #1
avatar+104869 
+1

Easiest  to put these in exponential form and then evaluate......

 

8x^(3/2)   [  8x^(1/2)  - 7x^(-1/2) ]  =

 

8 *8 * x^(3/2) * x^(1/2)   -  8 * 7 * x^(3/2) * x^(-1/2)   =

 

 

64 x^(3/2 + 1/2)  -  56x^(3/2 -1/2)  =

 

64x ^2  - 56x

 

 

cool cool cool

 Sep 17, 2019

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