Задача 50765 (c^(0.5) / (c^(0.5) - d^(0.5)) - d / (c...

vavrislarisa

2020-05-19 09:30:57

(c^(0.5) / (c^(0.5) - d^(0.5)) - d / (c - c^(0.5) * d^(0.5))) * (5c^(1.5) / (c^(0.5) + d^(0.5)));

sova

2020-05-19 13:16:05

★

с-с^(0,5)*d^(0,5)=c^(0,5)*(c^(0,5)-d^(0,5))

c-d=(c^(0,5))^2-(d^(0,5))^2=(c^(0,5)-d^(0,5))*(c^(0,5)+d^(0,5))