$\text { Find } \int 8 x ^ { 15 } \cos \left( x ^ { 8 } \right) d x$

question 88

Multiple Choice

$\text { Find } \int 8 x ^ { 15 } \cos \left( x ^ { 8 } \right) d x$

• A) \(\int 8 x ^ { 15 } \cos \left( x ^ { 8 } \right) d x = x ^ { 8 } \sin \left( x ^ { 8 } \right) - \cos \left( x ^ { 8 } \right) + C\)
• B) \(\int 8 x ^ { 15 } \cos \left( x ^ { 8 } \right) d x = x ^ { 9 } \sin \left( x ^ { 9 } \right) + \cos \left( x ^ { 9 } \right) + C\)
• C) \(\int 8 x ^ { 15 } \cos \left( x ^ { 8 } \right) d x = x ^ { 8 } \sin \left( x ^ { 8 } \right) + \cos \left( x ^ { 8 } \right) + C\)
• D) \(\int 8 x ^ { 15 } \cos \left( x ^ { 8 } \right) d x = x ^ { 15 } \sin \left( x ^ { 15 } \right) - \cos \left( x ^ { 15 } \right) + C\)
• E) \(\int 8 x ^ { 15 } \cos \left( x ^ { 8 } \right) d x = x ^ { 15 } \sin \left( x ^ { 15 } \right) + \cos \left( x ^ { 15 } \right) + C\)

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