5х-3=4(х-1)+1
5x-3=4x-4+1
x=0
6(х-1)+1=5х-3
6x-6+1=5x-3
x=2
3х-5=2(х+1)-3
3x-5=2x+2-3
x=4
<span>2(х-3)+1х=х-4
2x-6+1x=x-4
2x=2
x=1</span>
А)y=x*tg³(x²-1)
y`=1*tg³(x²-1)+x*3tg²(x²-1)*1/cos²(x²-1) *2x=tg³(x²-1)+6xtg²(x²-1)/cos²(x²-1)
б)y=ln²(sin2x)
y`=2ln(sin2x)*1/sin2x *2cos2x=4cos2xln(sin2x)/sin2x=4ctg2x+ln(sin2x)
в)y=x²+(lnx-1)
y`=2x*(lnx-1)+x²*1/x=2x*(lnx-1)+x