Please can someone check my answer and correct me along the way if I am making any mistakes and please teach me an easier method if I am doing something not correct.
Hello Sir. Thank you. Yes you are correct. I was to add the u [n]
This is want beats me I tend to forget some parts of the function or swap the variables in the formulas.
Thank you.
Believe me, you're not the only one. I am lucky i remember what to look up when i dont remember something
I still cant remember a solution to an ellipse where with quite a bit of manipulation of the equation we reduce it into a different equation with only one variable. Just cant remember 20 years back