Calculus and Vectors - Limits and Derivatives

[ttpp1124]

Homework Statement

Find the value of k.
I solved it, but would it help to justify if I mentioned the fact that k can be any non-zero real value?

Relevant Equations

n/a

 

[Mark44]

Homework Statement:: Find the value of k.
I solved it, but would it help to justify if I mentioned the fact that k can be any non-zero real value?
Relevant Equations:: n/a

View attachment 261336

I agree with your conclusion, but you work leading to that is incorrect. $5*3^2 \ne 75$.

 

[ttpp1124]

I agree with your conclusion, but you work leading to that is incorrect. $5*3^2 \ne 75$.

whoops, it's supposed to be 65/k. Thank you!