Anonymous From: - Posts: - Votes: - |
What is the length of the shortest ladder that could lean against the box (toufhing point (2,1)) and rest on the ground (x axis) and against the wall (y axis)? Find the equation of the line segment that represent the ladder. |

ComputerSupa From: US Posts: 10 Votes: 10 |
Let the ladder touch X axis at a and Y axis at b. So, the equation of the line is x/a + y/b = 1 It passes through (2,1) So, 2/a + 1/ b = 1 a = 2b/(b-1) Length of ladder = √(a^2 + b^2) For minimum length,its derivative must be '0' So, dl/db = 0 (1/√(a^2 + b^2)) (2a da/db) + 2b = 0 a da/db = -b (-2/(b-1)^2)*(2b/(b-1)) = -b Solving, we get b = (2)^1/3 +1 a = 2 + (4)^1/3 |

- Find F '(x) For Each Of Thefollowing... ,
- X = E2t , Y = T +1a) Eliminate The Parameter To... ,
- ACCELERATION amp; NEWTON'S LAW A BODY MASS 2... ,
- If A Snowball Melts So That Its Surface Area... ,
- In Order Sketch The Graph We Need To Find The... ,
- When Taking The Particular Solution Of 2y" + 3y'... ,
- Find Two Numbers Whose Difference Is 100 And... ,
- I'm Given The Equation F(x,y) = -4x3 + 4xy - 2y2... ,
- Determine Whether The Given Sequence Is... ,
- Determine Whether The Given Sequence Is... ,
- I Would Just Like To Have The Problemed Solved To... ,
- R = F(#952;)= 1+2Cos3#952;r = F(#952;)= 2+Cos... ,
- T(dy/dt)+2y=sint ,
- For R(u,v)=2cos U I + v J+ 2sin U K, Find The... ,
- Find A Vector Valued Function Whose Graph Is The... ,
- I NEED HELP WITH THIS GEOMETRY QUESTION!!!!!? ,
- Do you memorize formulas for math? ,
- How to find constant k for a continuous function? ,
- How to find constant k for a continuous function? ,
- How to find constant k for continuous function? ,
- Find approximations to two decimal places for the coordinates of the point (x,y)? ,
- How to make the TI-83 "Solver" faster? ,
- What kind of math class does a high school student usually take every year? ,
- Math question help please!! please help!!? ,
- Integral question! Sqrt(6x - x^2)? ,

Copyright © 2019 YouGotMath.com | All Rights Reserved | Terms of Service