1.

Which of these equations defines the characteristic curve in an x y plane?

A. ( frac {dy}{dx_{char}} = frac {- frac {uv}{a^{2}} ( frac {u^2 + v^{2}}{a^{2}}) 1}{1 frac {u^{2}}{a^{2}}} )
B. ( frac {dy}{dx_{char}} = frac {- frac {uv}{a^{2}} sqrt {( frac {u^{2} + v^{2}}{a^{2}})}}{ frac {u^{2}}{a^{2}}} )
C. ( frac {dy}{dx_{char}} = frac {uv}{a^{2}} sqrt {( frac {u^2 + v^{2}}{a^{2}})-1} )
D. ( frac {dy}{dx_{char}} = frac {- frac {uv}{a^{2}} sqrt {( frac {u^2 + v^{2}}{a^{2}})-1}}{1 frac {u^{2}}{a^{2}}} )
Answer» E.


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