Use the Midpoint Rule with Four Squares of Equal Size $\iint _ { R } \cos \left( x ^ { 4 } + y ^ { 4 } \right) d A , R = \{ ( x , y ) \mid 0 \leq x \leq 0.4,0 \leq y \leq 0.4 \}$

question 77

Multiple Choice

Use the Midpoint Rule with four squares of equal size to estimate the double integral. $\iint _ { R } \cos \left( x ^ { 4 } + y ^ { 4 } \right) d A , R = \{ ( x , y ) \mid 0 \leq x \leq 0.4,0 \leq y \leq 0.4 \}$

• A) \(0.3821\)
• B) \(0.1599\)
• C) \(0.6722\)
• D) \(0.5722\)
• E) \(0.485\)

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