24 24
------ + ------ = 10
5+х 5-х
<span>24(5-х) + 24(5+х)</span>
------------------------- = 10
(5+х)*(5-х)
<span> 24(5-х+5+х)</span>
------------------- = 10
25 - х^2
24*10
----------- = 10
25 - х^2
24
----------- = 1
25 - х^2
24 = 25 - x^2
x^2 = 25-24 = 1
x1 = 1 ___ x2 = -1
""""""""""""""""""""""""""""""""""
y(25y^2-10y+1)=0
y1=0
25y^2-10y+1=0
D= b^2-4ac = 100 - 4*25*1 = 100 - 100 = 0
y2= -b+√D/2a = 10+0/50 = 1/5