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Differentiate
-F(r) = r2\mathrm { r } ^ { 2 }

Question 63

Multiple Choice

Differentiate
-F(r) = r2\mathrm { r } ^ { 2 } (r - 1) (r + 1 ) −1) ^ { - 1 }


A) (2 r3r ^ { 3 } + 2 r2\mathrm { r } ^ { 2 } - 2r) (r + 1 ) −2) ^ { - 2 }
B) 2r( r2\mathrm { r } ^ { 2 } + r -1)
C) −2r(r+1) 2\frac { - 2 \mathrm { r } } { ( \mathrm { r } + 1 ) ^ { 2 } }
D) 4 r3r ^ { 3 } - 2r

Correct Answer:

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