My Math Forum indices; changing to exponential form

 Algebra Pre-Algebra and Basic Algebra Math Forum

 February 1st, 2014, 08:32 AM #1 Member   Joined: Sep 2013 Posts: 75 Thanks: 0 indices; changing to exponential form y = 2x + 1/sqr rt (x) This is how I tackled it; 2x/sqr rt (x) + 1/sqr rt (x) 2x.x ^-1/2 + x^-1/2
 February 1st, 2014, 06:31 PM #2 Global Moderator   Joined: Dec 2006 Posts: 20,104 Thanks: 1907 $\text{Did you mean }y\,=\,\frac{2x\,+ 1}{\sqrt{x}}\,$? If so, and x > 0, you can take a further step to get $y\,=\,2x^{\frac12}\,+\,x^{-\frac12}.$

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