emilybb195
emilybb195
20-03-2017
Mathematics
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Photon
Photon
20-03-2017
[tex] \frac{x}{2} + \frac{7}{9x} [/tex]
[tex]= \frac{x*9x}{2*9x} + \frac{7*2}{9x*2} [/tex]
[tex]= \frac{9x^2}{18x} + \frac{14}{18x} [/tex]
[tex] = \frac{9x^2+14}{18x} [/tex]
Therefore the answer is B.
Hope this helps !
Photon
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