Is This the Right Way to Do It?

[ttpp1124]

Homework Statement

Find the value of 𝒃 if the graph of y = b/x^2 has its tangent line defined by 𝒃𝑥 − 4𝑦 + 21 = 0.

Relevant Equations

n/a

Is this correct?

 

[ehild]

Homework Statement:: Find the value of 𝒃 if the graph of y = b/x^2 has its tangent line defined by 𝒃𝑥 − 4𝑦 + 21 = 0.
Relevant Equations:: n/a

View attachment 261344
Is this correct?

No. You used a wrong equation for the curve.

 

[ttpp1124]

No. You used a wrong equation for the curve.

whoops, I believe this is better..?

 

[ehild]

View attachment 261346
whoops, I believe this is better..?

Much better! It is perfect!
If you type in a solution , I can read properly, and in case it was not correct, I can show the mistake.