Miscellaneous double integrals Choose a convenient method for evaluating the following integrals . 14. ∬ R ( x 2 + y 2 ) d A ; R is the region {( x , y ): 0 ≤ x ≤ 2, 0 ≤ y ≤ x }.
Miscellaneous double integrals Choose a convenient method for evaluating the following integrals . 14. ∬ R ( x 2 + y 2 ) d A ; R is the region {( x , y ): 0 ≤ x ≤ 2, 0 ≤ y ≤ x }.
Miscellaneous double integralsChoose a convenient method for evaluating the following integrals.
14.
∬
R
(
x
2
+
y
2
)
d
A
; R is the region {(x, y): 0 ≤ x ≤ 2, 0 ≤ y ≤ x}.
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.
38. The geometric mean g of n numbers x; is defined as the nth root of the
product of x;:
g=Vx1x2X3•…Xn
(This is useful, for example, in finding the average rate of return for an
investment which is something you'd do in engineering economics). If an
investment returns 15% the first year, 50% the second, and 30% the third year,
the average rate of return would be (1.15*1.50*1.30)") Compute this.
[Fish
Tank]
You play with a clown fish that has an initial size so. The fish can eat other fish in a tank organized in m columns and n rows. The fish at column i and row j has a positive size si,j.
When your fish eats another fish, it grows by that amount. For example, if your clown fish has a size of 10 and eats a fish of size 5, it becomes of size 15. You cannot eat a fish that
is bigger than your size. The game starts by eating any fish in the first (left-most) column that is not bigger than yours. After that, you advance one column at a time by moving
right. You have only three allowed moves. You either stay at the same row, move one row higher or one row lower. You will always move to the right. Thus, you will make exactly
m moves to advance from left to right. Your goal is to exit the fish tank from the right with the biggest possible size.
The figure below shows an example with the best answer highlighted. In this case, the final fish size is 71 (10+8+7+24+22). You are required…
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