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Unformatted text preview: d dx ( f ( x ) g ( x ) ) = g ( x ) f ( x ) -f ( x ) g ( x ) [ g ( x )] 2 = lowdhigh-highdlow lowsquared the second expression that I typed is a cute way to memorize the quotient rule it seems to stick Again lets work and example that we can divide out first to avoid the new rule and then use the new rule to verify it is correct. Example j ( x ) = x 4- 3 x 2 x a) First, divide j(x) and then differentiate b) Second, use the quotient rule and simplify until we see the methods result in the same function. Further examples:...
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