The minimum number of equal length subintervals needed to approximate $$\int\limits_1^2 {{\text{x}}{{\text{e}}^{\text{x}}}{\text{dx}}} $$ to an accuracy of at least $$\frac{1}{3} \times {10^{ - 6}}$$ using the trapezoidal rule is
A. 1000e
B. 1000
C. 100e
D. 100
Answer: Option A
This Question Belongs to Engineering Maths >> Numerical Methods
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