anonymous
  • anonymous
Let y = 1/x^4. Find values A and B so that (dy)/(dx) = A/(x^B). A = B =
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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myininaya
  • myininaya
\[y=x^{-4} => y'=(-4)x^{-4-1}=-4 \cdot \frac{1}{x^5}=\frac{-4}{x^5}\]
myininaya
  • myininaya
can you identify A and B now?
anonymous
  • anonymous
is the formula to solve for a?

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anonymous
  • anonymous
what do I need to do after -4/ x^5?
myininaya
  • myininaya
identify A and B
myininaya
  • myininaya
\[y'=\frac{-4}{x^5}=\frac{A}{x^B}\]
myininaya
  • myininaya
so A=? and B=?
anonymous
  • anonymous
-4=a? and
anonymous
  • anonymous
b= x^5?
myininaya
  • myininaya
A=-4 is right but B does not equal x^5
anonymous
  • anonymous
b= 5
myininaya
  • myininaya
B=5

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