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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §3.2 Maximum and Minimum Problems, #50 · Calculus · Optimization

A wall 8 feet high is 1 foot from a house

A wall 8 feet high is 1 foot from a house. Find the length $L$ of the shortest ladder over the wall to the house. Draw a triangle with height $y$ , base $1 + x$ , and hypotenuse $L$ .

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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §3.2 Maximum and Minimum Problems, #50

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