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The derivative of a power formula was derived for integer exponents, but works for any rational constant exponent. Demonstrate that this is true for y=x^(13/7) by first transforming the equation so that it involves only integer exponents, then differentiating implicitly with respect to x

2007-11-28 13:23:53 · 2 answers · asked by imagination_inevitable 1 in Science & Mathematics Mathematics

2 answers

Implicit differentiation is when you have dy/dx = in the equation

So d/dx(y)= d/dx (x^13/7)

dy/dx = 13/7 x ^ (6/7)

2007-11-28 13:27:05 · answer #1 · answered by Anonymous · 1 2

Raise both sides of the equation to the 7th power; then you will have integer exponents on both sides of the equation. Then use implicit differentiation. Replace y by x^(13/7) and solve for y'.

2007-11-28 21:32:33 · answer #2 · answered by Ron W 7 · 1 0

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