Suppose that $v,w,x,y,$zinF can be represented as double$-$precision numbers without any round$-$off error.

Give an upper bound on the relative error obtained after calculating

$f(v,w,x,y,z)=\frac{xyz}{vw}$

using double$-$precision floating point arithmetic.

Hint: You can use the identity $(1+{)}^{-1}$~~$1+$ for all and round any numbers less than $lo{n}^2$ to $0.$