If Y = $\sqrt { u }$ And U = $x ^ { 3 }$

question 68

Multiple Choice

If y = $\sqrt { u }$ and u = $x ^ { 3 }$ - 5 $x ^ { 2 }$ + 1, find $\frac { d y } { d x }$ .

• A) \(\sqrt { 3 x ^ { 2 } - 10 x }\)
• B) \(\sqrt { 3 x ^ { 2 } - 10 x }\) \(\left( x ^ { 3 } \right.\) - \(5 x ^ { 2 }\) + 1)
• C) \(\frac { 3 x ^ { 2 } - 10 x } { 2 \sqrt { x ^ { 3 } - 5 x ^ { 2 } + 1 } }\)
• D) \(\sqrt { x ^ { 3 } - 5 x ^ { 2 } + 1 }\)

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