emilymendes546
21.12.2019 •
Mathematics
Approximate the integral ∫r∫ f(x, y) da by dividing the rectangle r with vertices (0, 0), (4, 0), (4, 2), and (0, 2) into eight equal squares and finding the sum ∑_(i=1)^8 f(x_i, y_i) δa_i, where (x_i, y_i) is the center of the ith square. evaluate the iterated integral and compare it with the approximation.∫_0^4∫_0^2 1 / (x+ y) (y+1) dy dx. (round your answers to one decimal place.)
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Ответ:
Iterated integral = 1.8
Approximation = 1.7
Step-by-step explanation:
The iterated integral will be:
= 1.8 (since rounding one decimal place is asked)
The coordinates of each 8 squares are as following:
So, the approximation will be:
= 1.7 (since rounding one decimal place is asked)
Thus, the result from iterated integral and approximation is slightly different.
Ответ: