Eric Nicholas K's answer to Shaa's 3 Malaysia question.
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Forgot to include 'by the quotient and chain rule' for part (j).
Parts (h), (i) and (j) can also be done by using the product and chain rule; this is done by converting the denominators into the numerator form, like how you would do using indices. For example. for part (h), I can convert the expression into y = (x + 2) times (3x - 1)^-1 before using the product and chain rule.
Part (i) can also be done by force expanding the (7x + 5)^3 and then simplifying the expressions before just using the basic rule of differentiation for powers of x.
Parts (h), (i) and (j) can also be done by using the product and chain rule; this is done by converting the denominators into the numerator form, like how you would do using indices. For example. for part (h), I can convert the expression into y = (x + 2) times (3x - 1)^-1 before using the product and chain rule.
Part (i) can also be done by force expanding the (7x + 5)^3 and then simplifying the expressions before just using the basic rule of differentiation for powers of x.
Date Posted:
5 years ago
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