3 years ago

X=2 y=-4 y^-5 ___ X^-3

Mathematics

2 answers:

maw [93]3 years ago

8 0

I hope this helps you

dedylja [7]3 years ago

3 0

Assumin a fraaction

remember some basic rules
x^-m=1/(x^m)
(a/b)/(c/d)=(a/b)(d/c)=(ad)/(bc)
so

y^-5 really means 1/(y^5)
x^-3 means 1/(x^3)

we have
(1/y^5)/(1/x^3)
that equals
(x^3)/(y^5)
x=2
y=-4

(2^3)/((-4)^5)=8/-1024=-1/128

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