Use the Midpoint Rule with four squares of equal size to estimate the double integral.
$$\iint _ { R } \cos \left( x ^ { 4 } + y ^ { 4 } \right) d A , R = \{ ( x , y ) \mid 0 \leq x \leq 0.5,0 \leq y \leq 0.5 \}$$
A) $0.575$
B) $0.6622$
C) $0.2499$
D) $0.4721$
E) $0.7622$

Question

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The Answer of Use the Midpoint Rule with four squares of equal size to estimate the double integral.
$$\iint _ { R } \cos \left( x ^ { 4 } + y ^ { 4 } \right) d A , R = \{ ( x , y ) \mid 0 \leq x \leq 0.5,0 \leq y \leq 0.5 \}$$
A) $0.575$
B) $0.6622$
C) $0.2499$
D) $0.4721$
E) $0.7622$

Use the Midpoint Rule with Four Squares of Equal Size ∬Rcos⁡(x4+y4)dA,R={(x,y)∣0≤x≤0.5,0≤y≤0.5}\iint _ { R } \cos \left( x ^ { 4 } + y ^ { 4 } \right) d A , R = \{ ( x , y ) \mid 0 \leq x \leq 0.5,0 \leq y \leq 0.5 \}∬R​cos(x4+y4)dA,R={(x,y)∣0≤x≤0.5,0≤y≤0.5}

Use the Midpoint Rule with Four Squares of Equal Size $\iint _ { R } \cos \left( x ^ { 4 } + y ^ { 4 } \right) d A , R = \{ ( x , y ) \mid 0 \leq x \leq 0.5,0 \leq y \leq 0.5 \}$