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Part $1$

The right$$ sum,

Upper R Subscript nRn$,$

is used to approximate the definite integral to the indicated accuracy. How large must n be chosen to achieve the indicated$$ accuracy? $($The function is increasing over the$$ interval.$)$

Integral from $1$ to $3$ ln xdx equals Upper R Subscript n Baseline plus or minus $0\mathrm{.}05$