Помогите плиз срочно
1 y`=3*(-1/3)*x^(-2/3)-2*(-1/2)*x^(-3/2)=-1/∛x²+1/√x³ 2 y`=(√x)`tgx+√x*(tgx)`=tgx/2√x+√x/cos²x 3 y`=[(1+cos²2x)^1/4]`*(1+cos²2x)`*(cos2x)`*(2x)`= =
![1/ 4\sqrt[4]{(1+cos^22x)^3} *2cos2x*(-sin2x)*2=-sin4x/2 \sqrt[4]{(1+cos^22x)^3}](https://tex.z-dn.net/?f=1%2F+4%5Csqrt%5B4%5D%7B%281%2Bcos%5E22x%29%5E3%7D+%2A2cos2x%2A%28-sin2x%29%2A2%3D-sin4x%2F2+%5Csqrt%5B4%5D%7B%281%2Bcos%5E22x%29%5E3%7D+ "1/ 4\sqrt[4]{(1+cos^22x)^3} *2cos2x*(-sin2x)*2=-sin4x/2 \sqrt[4]{(1+cos^22x)^3}")