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Find ddu\frac { \mathrm { d } } { \mathrm { du } }

Question 148

Multiple Choice

Find ddu\frac { \mathrm { d } } { \mathrm { du } } u4−7\sqrt { u ^ { 4 } - 7 } .


A) 2u3u4−7\frac { 2 u ^ { 3 } } { \sqrt { u ^ { 4 } - 7 } }
B) 2uu2−7\frac { 2 u } { \sqrt { u ^ { 2 } - 7 } }
C) 4uu2−7\frac { 4 u } { \sqrt { u ^ { 2 } - 7 } }
D) 2uu4−7\frac { 2 u } { \sqrt { u ^ { 4 } - 7 } }

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