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For y=uu+1y = u \mathcal { \sqrt { u + 1 } }

Question 94

Multiple Choice

For y=uu+1y = u \mathcal { \sqrt { u + 1 } } and u=2x2+3u = 2 x ^ { 2 } + 3 , find dydx\frac { d y } { d x } .


A) (2x2+4) 1/2(12x3+22x) \left( 2 x ^ { 2 } + 4 \right) ^ { - 1 / 2 } \left( 12 x ^ { 3 } + 22 x \right)
B) (2x2+3) 1/2(12x3+24x) \left( 2 x ^ { 2 } + 3 \right) ^ { - 1 / 2 } \left( 12 x ^ { 3 } + 24 x \right)
C) (2x2+4) 1/2(4x) \left( 2 x ^ { 2 } + 4 \right) ^ { - 1 / 2 } ( 4 x )
D) (2x2+3) 1/2(4x) \left( 2 x ^ { 2 } + 3 \right) ^ { - 1 / 2 } ( 4 x )

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