asked 218k views
3 votes
Rewrite, differentiate and simplify:
3/(2x)^3

1 Answer

6 votes


(dy)/(dx) = -
(9)/(8x^(4) )

let y =
(3)/((2x)^(3) ) =
(3)/(8)
x^(-3)

differentiate using the power rule


(d)/(dx) (
ax^(n) ) = na
x^(n-1)


(dy)/(dx) = -
(9)/(8)
x^(-4) = -
(9)/(8x^(4) )


answered
User Doddie
by
8.0k points

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