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If y=f(x^3),z=g(x^5),f^(prime)(x)=tanx ,...

If `y=f(x^3),z=g(x^5),f^(prime)(x)=tanx ,a n dg^(prime)(x)=secx ,` then find the value of `(lim)_(xvec0)(((dy)/(dz)))/x`

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