2.4 y=(7x²-3x+5)^1/5-5(x-1)⁻³ y'=1/5(7x²-3x+5)^(-4/5)(14x-3)+15(x-1)⁻²
3.4 y=arcsin³2x*ctg7x⁴ y'=(uv)' u=arcsin³2x u'=3*2*arcsin²2x*/√(1-4x²)
v=ctg7x⁴ v'=-1/sin²7x⁴*(28x³)
(uv)'=u'v+v'u=[6arcsin²2x/√(1-4x²)][ctg7x⁴]+[-28x³/sin²7x⁴][arcsin³2x]
4.4. y=√arccos2x*3⁻ˣ u=√arccos2x u'=[1/2√arccos2x*2][-1/√1-4x²]*2
v=3⁻ˣ v'=3⁻ˣln3*(-1)
y'=(uv)'=u'v+v'u
y'=[1/(√arccos2x)*3⁻ˣ]+[-3⁻ˣln3][√arccos2x]