Let G(x, T, Z) = $\frac { 1 } { t }$

question 61

Multiple Choice

Let g(x, t, z) = $\frac { 1 } { t }$ (x - $z ^ { 2 }$ t) . Find $\frac { \partial ^ { 2 } \mathrm {~g} } { \partial \mathrm { z } \partial \mathrm { t } }$ .

• A) -2zt
• B) 0
• C) - \(\frac { 2 z } { t }\) + 1
• D) -2zt + \(t ^ { 2 }\)
• E) none of these

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