↧
Answer by David Quinn for a minimimization problem involving a ladder across...
HINT the easier way to do this question is to set the parameter $\theta$ as the angle between the ladder and the ground, so that you are minimising the function $$l=h\csc\theta+w\sec\theta$$
View Articlea minimimization problem involving a ladder across a fence, to a building;...
From Calculus, Varberg and Purcell, 6th Edition; am teaching myself from the text; no answer or explanation is given in the text.I believe I was able to successfully obtain the correct (minimized)...
View Article