# Fun With Calculus-3

Calculus Level 4

$\large \lim_{x\to \infty}\left [\sqrt[3] {(a+x)(b+x)(c+x)}-x\right ]$ is equal to $$\large \frac{w a+y b+z c} {d}$$$$(w,y,z,d\in$$N$$)$$, then the minimum value of $$w+y+z+d$$ is

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