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Differentiate
-F(x) = (-3 x7x ^ { 7 } - x4x ^ { 4 }

Question 36

Multiple Choice

Differentiate
-f(x) = (-3 x7x ^ { 7 } - x4x ^ { 4 } ) (2 x2x ^ { 2 } - 5x + 3)


A) -84 x7x ^ { 7 } - 105 x6x ^ { 6 } + 16 x4x ^ { 4 } + 20 x3x ^ { 3 }
B) -84 x7x ^ { 7 } + 105 x6x ^ { 6 } - 16 x4x ^ { 4 } + 20 x3x ^ { 3 }
C) -54 x8x ^ { 8 } + 120 x7x ^ { 7 } - 63 x6x ^ { 6 } - 12 x5x ^ { 5 } + 25 x4x ^ { 4 } - 12 x3x ^ { 3 }
D) 30 x8x ^ { 8 } - 90 x7x ^ { 7 } + 63 x6x ^ { 6 } + 4 x5x ^ { 5 } - 15 x4x ^ { 4 } + 12 x3x ^ { 3 }

Correct Answer:

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