Evaluate the Differential Is Exact $$\int _ { ( 0,0,0 ) } ^ { ( \pi / 4 , \pi / 20 , \pi / 16 ) } 4 \sin 4 x d x + 5 \sec ^ { 2 } 5 y d y - 8 \cos 8 z d z$$

question 49

Multiple Choice

Evaluate. The differential is exact.
- $$\int _ { ( 0,0,0 ) } ^ { ( \pi / 4 , \pi / 20 , \pi / 16 ) } 4 \sin 4 x d x + 5 \sec ^ { 2 } 5 y d y - 8 \cos 8 z d z$$

• A) 1
• B) 0
• C) 4
• D) 2

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