4- х, хS0 10) Determine if the function y(x) =- 3x, is differentiable at x = 0. X>0

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A: f(x,y)=sinx3+y3x2+y2, x,y≠(0,0)0, (x,y)=(0,0)

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A: Derivative: f(x)=lnx2+1x(2x3-1)2ln(mn)=ln m-ln nln(x2+1)=12ln(x2+1)

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A: Since you have posted multiple questions i can do first three question as per our company guidelines…