Найти производную функции

Question

Найти производную функции

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Answer 1

1)у⁾=2√х²-х+(2х+1)*(2х-1)/(2√х²-х)=2√х²-х+(4х²-1)/2√х²-х
2)у⁾=(1/х*х²-㏑х)/х⁴=(х-㏑х).х⁴
3)у⁾=((х²+4х+6-(х+2)(2х+4))/(х²+4х+6)²+1/√2*√2/2(х+2)²=
=(х²+4х+6=2х²-4х-4х-8)/(х²+4х+6)²+1/2(х+2)²=
=(-х²-4х-2)/(х²+4х+6)²+1/2(х+2)²