Odpowiedź:
b) T + p =3(a2 +2ak)
(T+P)/3 = a2 + 2ak
(T+P)/3 = a(a+ 2k)
(T+P)/3a = a+2k
(T+P)/3a - a = 2k
[(T+P)/3a -a]/2 = k
c) A -2b = p(3 - pk)
(A - 2b)/ p = 3 - pk
(A - 2b)/ p - 3 = -pk
k = (A - 2b) - 3/ -p2 {kwadrat}
d) d = b/k-1
d*(k-1) =b
k-1 = b/d
k = b/d +1