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  3. problem 28 marks letz r2 assume thatd4 at t 0...

Question: problem 28 marks letz r2 assume thatd4 at t 0...

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Problem 2(8 marks) Letz R2. Assume thatd4 at t 0. f(2 + t.3-t) where f(z, y) İs a differentiable function in (a) Find the directional derivative of f(x, y) at (2,3) in the direction of < 2,-2>
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