Solve the problem.
-Find an upper bound for $\left| \mathrm { E } _ { \mathrm { T } } \right|$ in estimating $\int _ { 0 } ^ { \pi } 4 \mathrm { x } \sin \mathrm { x } \mathrm {} \mathrm { dx }$ with $\mathrm { n } = 6$ steps. Give your answer as a decimal rounded to four decimal places.
A) 0.2871
B) 0.1435
C) 0.9019
D) 0.5742

Question

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The Answer of Solve the problem.
-Find an upper bound for $\left| \mathrm { E } _ { \mathrm { T } } \right|$ in estimating $\int _ { 0 } ^ { \pi } 4 \mathrm { x } \sin \mathrm { x } \mathrm {} \mathrm { dx }$ with $\mathrm { n } = 6$ steps. Give your answer as a decimal rounded to four decimal places.
A) 0.2871
B) 0.1435
C) 0.9019
D) 0.5742

Solve the Problem ∣ET∣\left| \mathrm { E } _ { \mathrm { T } } \right|∣ET​∣

Solve the Problem $\left| \mathrm { E } _ { \mathrm { T } } \right|$