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February 1st, 2014, 07:32 AM   #1
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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
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February 1st, 2014, 05:31 PM   #2
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?

If so, and x > 0, you can take a further step to get
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