A) \[\frac{9}{5}\]
B) \[\frac{9}{7}\]
C) \[\frac{9}{13}\]
D) \[\frac{16}{13}\]
Correct Answer: C
Solution :
[c] Adding the there equations, we have \[{{(x+y+z)}^{2}}=169\Rightarrow x+y+z=13\] \[\therefore \,\,x=\frac{9}{13}\]You need to login to perform this action.
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