$[-/6$ Points$]$

SCALCET$97\mathrm{.}7\mathrm{.}002.0\mathrm{.}9570,$ and the same number of subintervals were used in each case.

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$($a$)$ Which rule produced which estimate?

$L_n=$

$R_n=$

$T_n=$

$M_n=$

$($b$)$ Between which two approximations does the true value of ${\displaystyle \underset{0}{\overset{2}{}}}f(x)dx$ lie?

smaller value

larger value

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