In Problems 69–72, the left sum L n or the right sum R n is used to approximate the definite integral to the indicated accuracy. How large must n be chosen in each case? ( Each function is increasing over the indicated interval .) 70. ∫ 0 10 ln ( x 2 + 1 ) d x = L n ± 0.5
In Problems 69–72, the left sum L n or the right sum R n is used to approximate the definite integral to the indicated accuracy. How large must n be chosen in each case? ( Each function is increasing over the indicated interval .) 70. ∫ 0 10 ln ( x 2 + 1 ) d x = L n ± 0.5
Solution Summary: The author explains how to find the value of n such that the left sum L_n approximates the given definite integral.
In Problems 69–72, the left sum Ln or the right sum Rn is used to approximate the definite integral to the indicated accuracy. How large must n be chosen in each case? (Each function is increasing over the indicated interval.)
70.
∫
0
10
ln
(
x
2
+
1
)
d
x
=
L
n
±
0.5
With differentiation, one of the major concepts of calculus. Integration involves the calculation of an integral, which is useful to find many quantities such as areas, volumes, and displacement.
During busy political seasons, many opinion polls are conducted. In apresidential race, how do you think the participants in polls are generally selected?Discuss any issues regarding simple random, stratified, systematic, cluster, andconvenience sampling in these polls. What about other types of polls, besides political?
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