af when r = 2, t =- 1 of the function ar 4. Use the Chain Rule to find- f(x, y, z) = e3xy² cos 2xyz ; x= r² – t² , y = t² – r, z =r +t. %3D

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Q: ILLUSTRATION 3.5 If a, b and c are mutually perpendicular vectors of equal magnitudes, then find the…

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Q: tan(4 + 3i)

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