Answer:
x + 4/3x^3
Step-by-step explanation:
y=1/2x^2-2/3x^-2
dy/dx=1/2(2x)-2/3(-2x^-3)
=x+4/3 x^-3
=x+4/3x^3
193/990 Would be the answer. If you want the steps to find it, just ask.
The binomial expansion:

a = 2y, b = 4 x^3, n = 4
( x )^3k = x^ 9
k = 3


Answer: the coefficient is
512.
1428 would be for men and women
Answer:

Step-by-step explanation:
The perimeter of a polygon is equal to the sum of its sides.
The sides in the triangle shown have lengths
,
, and
in no specific order.
Since its perimeter is given by the sum of its sides, the perimeter is equal to:

Combine like terms:
