Evaluate
11+7v-4v^{2}-v^{3}-3v^{4}
Differentiate w.r.t. v
7-8v-3v^{2}-12v^{3}
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-v^{3}-4v^{2}+6v+4-3v^{4}+v+7
Combine -7v^{3} and 6v^{3} to get -v^{3}.
-v^{3}-4v^{2}+7v+4-3v^{4}+7
Combine 6v and v to get 7v.
-v^{3}-4v^{2}+7v+11-3v^{4}
Add 4 and 7 to get 11.
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