Math Problem Statement
Find the following derivatives. z Subscript s and z Subscript t, where zequals2 xy minus 2 x squared y, xequals2 s plus 3 t, and yequals2 s minus 3 t. Find dz/dx, dx/ds, dz/dy, dy/ds, dx/dt, dy/dt, z subscript s and z subscript t
Solution
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Math Problem Analysis
Mathematical Concepts
Partial Derivatives
Multivariable Calculus
Chain Rule
Product Rule
Formulas
dz/dx = 2y - 4xy
dz/dy = 2x - 2x^2
dx/ds = 2
dy/ds = 2
dx/dt = 3
dy/dt = -3
z_s = (dz/dx)(dx/ds) + (dz/dy)(dy/ds)
z_t = (dz/dx)(dx/dt) + (dz/dy)(dy/dt)
Theorems
Chain Rule
Product Rule
Suitable Grade Level
Undergraduate (Calculus Level)
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