[Application of Differentiation]
The wall of a building is to be braced by a beam that must pass over a parallel fence 5ft high and 4ft from the building. Find the length of the shortest beam can be used.
(Medal will be given, Thank you so much)

Question

[Application of Differentiation] 
The wall of a building is to be braced by a beam that must pass over a parallel fence 5ft high and 4ft from the building. Find the length of the shortest beam can be used.
(Medal will be given, Thank you so much)

anonymous · Answer

@midhun.madhu1987 can you help me with this one? It's due tmr :(

midhun.madhu1987 · Answer

i will be back soon....

anonymous · Answer

Thanks :) It's okay if you don't get the answer.

midhun.madhu1987 · Answer

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this is the figure .. i guess