Question

Anyone can solve this in 10 mins ?

See attachment I got the first answer just 3 more to go! Just give me the answer. i'll do the calculations later!

Answer 1

I think this one was done by @ganeshie8

Answer 2

is 10 minutes relevant to the solution of the problem?

Answer 3

yea last night i worked on this.. .let me see if i can pull the notes up.. .

Answer 4

i might forgot lol

Answer 5

http://openstudy.com/users/unam#/updates/505c0b40e4b02e13940f8f6f
lets continure from there

Answer 6

your T(x) looks wrong

Answer 7

oh ok thanks

Answer 8

so what should i do for b...take the d/dx and then solve for x?

Answer 9

yep minimize T(x)

Answer 10

oh ok...i'll try

Answer 11

you should get x = c = 5

Answer 12

it's not right, plus my T(X) is right though :)

Answer 13

let me check

Answer 14

I think
T(x)={(9+x^2)^(1/2)}/4 +(11-x)/5

Answer 15

is correct @ganeshie8

Answer 16

ok go ahead :) which ever works.. :))

Answer 17

yeah both are right :)

Answer 18

it clearly says, distance between point P and where boat lands on the shore is x, so thats what troubling me. we should see \(\frac{x}{4}\) in the equation. hmm. lets digress from this and keep going wid the thing that makes sense to u @Unam

Answer 19

thanks...

Answer 20

So,