more! Product rule differntiaion C3

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(x-1)[-2(2x+1)^{-2}]+(2x+1)^{-1}

(-2x+2)(2x+1)^{-2}+(2x+1)^{-1}

\frac{(-2x+2)}{(2x+1)^2}+\frac{1}{(2x+1)}

\frac{(-2x+2)}{(2x+1)(2x+1)}+\frac{(2x+1)}{(2x+1)(2x+1)}

\frac{(-2x+2)+(2x+1)}{(2x+1)^2}

\frac{3}{(2x+1)^2}

D-Day

(x-1)[-2(2x+1)^{-2}]+(2x+1)^{-1}

(-2x+2)(2x+1)^{-2}+(2x+1)^{-1}

\frac{(-2x+2)}{(2x+1)^2}+\frac{1}{(2x+1)}

\frac{(-2x+2)}{(2x+1)(2x+1)}+\frac{(2x+1)}{(2x+1)(2x+1)}

\frac{(-2x+2)+(2x+1)}{(2x+1)^2}

\frac{3}{(2x+1)^2}

OMG! where did that fraction come from? you have offically scared me! :eek:

i think i'm gonna skip that question...... :s-smilie:

A negative exponent moves whatever is raised to that negative exponent to the bottom of a fraction.

D-Day

A negative exponent moves whatever is raised to that negative exponent to the bottom of a fraction.

Argh..i',m gonna start crying in a minute... :confused:

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