Exponential Derivative problem

  • Thread starter Painguy
  • Start date
  • #1
Painguy
120
0

Homework Statement


dy/dθ =2·3^(−θ)


Homework Equations


The Attempt at a Solution


2*(d/dθ)(3^(-θ)
2(3^(-θ)ln(3))
(2ln(3))/(3^θ)

I keep getting this wrong and I'm not sure why. Could someone point out my mistake?
 

Answers and Replies

  • #2
jmcelve
52
0
Could you maybe make your step-by-step process a little clearer? It's a little difficult for me to follow you.

Also, I assume we're solving for y given y'?
 
  • #3
Painguy
120
0
I already got it. Sorry for bothering you guys. My problem was that I forgot to differentiate -theta in 3^(-theta).

The final answer I have is -2*3^(-θ)ln(3)
 
  • #4
jmcelve
52
0
That ln(3) should be in the denominator I think.
 

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