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avatar+318 

x^3/2(sq rt (x)-1 sq rt (x))

 

 Sep 17, 2019
 #1
avatar+111396 
+1

x^(3/2)  [ x^(1/2)   - x^(-1/2) ]        [distribute  x^(3/2)  over both terms in the brackets ]

 

x^(3/2) * x^(1/2)   -  x^(3/2)* x^(-1/2)        [ use the rule that  x^m * x^n  = x^(m + n) ]

 

x^( 3/2 + 1/2)  -  x^(3/2 - 1/2)       [simplify the exponents ]

 

x^2   -  x

 

 

 

 

 

cool cool cool

 Sep 17, 2019

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