Let z = x2 + 2y2. Supposer and y are both functions of time t, with y=2e5t. At the instant when x = 1 and y = 2, the rat
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Let z = x2 + 2y2. Supposer and y are both functions of time t, with y=2e5t. At the instant when x = 1 and y = 2, the rat
Let z = x2 + 2y2. Supposer and y are both functions of time t, with y=2e5t. At the instant when x = 1 and y = 2, the rate of change of r with dz respect to t is 5. Use the appropriate version of the chain rule to find at dt that instant. (The answer is a number.)
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