Question

Find the partial derivative at point (u,v)=(-4,0) of w=ln⁡(x^α+y^β+z^α ),x=ue^v sinu,y=ue^v cosu,z=ue^v, 

where α and β are largest and second largest digits of your arid number e.g if your arid number is 20-arid- 470, then α= 7, β=4.

Answer 1

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