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Questions (4)
Suppose that z=f(x,y) is defined implicitly by an equation of the form F(x,y,z)=0. Find formulas for the partial derivatives
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Calculate the curvature when
r(t)=⟨2t−1,1,2t⟩
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Find the area between the loops of the limacon r=2(1+2cosθ)
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The sum of two point charges is +11μC. When they are 2.7cm apart, each experiences a force of 224 N. Find the charges given
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Answers (1)
w: width of the parking ℓ: length of the parking The perimeter of the parking is the length of the fence: 2.(ℓ + w) = 2700 ℓ + w = 2700/2 w = 2700/2 - ℓ The area of the parking is: a = w * ℓ → you know that: w = 2700/2 - ℓ a = (2700/2 -
