DIFFERENTIATION
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(6) Differentiate
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Same remarks as for preceding example.
(7) Differentiate
This may be written
.
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This, again, could be obtained more simply by multiplying the two factors first, and differentiating afterwards. This is not, however, always possible; see, for instance, p. 173, example 8, in which the rule for differentiating a product must be used.
(8) Differentiate .
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