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The parametric equations for the paths of two projectiles are given. At what rate is the distance between the two objects changing at the given value of t? (Round your answer to two decimal places.)

The parametric equations for the paths of two projectiles are given. At what rate is the distance between the two objects changing at the given value of t? (Round your answer to two
decimal places.)
X₁ = 9 cos(2t), Y₁ = 6 sin(2t)
x₂ = 4 cos(t), y₂ = 4 sin(t)
t = π/2
First object
Second object

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