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Serjik [45]
2 years ago
6

Use the Chain Rule to find dw/dt. w = xey/z, x = t3, y = 7 − t, z = 8 + 4t dw dt =

Mathematics
1 answer:
Hitman42 [59]2 years ago
4 0

\frac{dw}{dt}  =  \frac{dx}{dt} \times  \frac{dw}{dx}   +  \frac{dy}{dt} \times  \frac{dw}{dy}   +  \frac{dz}{dt} \times  \frac{dw}{dz}   \\  \frac{dw}{dt}  = 3t ^{2}  \times  {e}^{ \frac{y}{z} }  +  - t \times  \frac{x {e}^{ \frac{y}{z} } }{z}  + 4 \times  -  \frac{xy {e}^{ \frac{y}{z} } }{ {z}^{2} }   \\  \frac{dw}{dt}  =  \frac{ {e}^{ \frac{y}{z} } (3 {t}^{2} {z}^{2}   - tzx - 4xy)}{ {z}^{2} }

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