Wyznacz ze wzorów wskazaną wielkość

Odpowiedź:
10
x
R = ax/b // * b
Rb= ax // : a
Rb /a = x
11
r1
R = (r1*r2)/(r1+r2) //*(r1+r2)
R(r1+r2)= r1*r2
Rr1 + Rr2 = r1*r2
Rr2 = r1*r2-Rr1
Rr2 = r1(r2-R) // : (r2-R)
Rr2/(r2-R) = r1
Szczegółowe wyjaśnienie:
Odpowiedź:
1) [tex]m = \frac{E}{c^{2}}[/tex]
2) 2P = (a+b)h
[tex]h = \frac{2P}{a+b}[/tex]
3) 2P = ah + bh
2P - bh = ah
[tex]a = \frac{2P - b*h}{h} = \frac{2P}{h} - b[/tex]
4) U = JR
[tex]R = \frac{U}{I}[/tex]
5) x + 1 = 2t
[tex]t = \frac{x+1}{2}[/tex]
6) ay - ab = c
ay = c + ab
[tex]y = \frac{c + a*b}{a} = \frac{c}{a} + b[/tex]
7) [tex]x = \frac{m}{a - b}[/tex]
8) [tex]2 V = a * t^{2}[/tex]
[tex]a = \frac{2V}{t^{2}}[/tex]
9) h = k(2-a)
[tex]k = \frac{h}{2-a}[/tex]
10) Rb = ax
[tex]x = \frac{R*b}{a}[/tex]