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1.9.12 Product rule (A-level only)
Medium
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Question 11
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Markscheme
Differentiate with respect to
xx
x
,
a.
x4cos4xx^4 \cos 4x
x
4
cos
4
x
[3]
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3
Grade answer
b.
2e3x+42 e^{3x + 4}
2
e
3
x
+
4
[2]
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3
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1.9.12 Product rule (A-level only) Questions
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1.9.12 Product rule (A-level only)
