<span>1)y=x^3+4x-5
y`=3x</span>²+4<span>
2)f(x)=x^2+3x-1
y`=2x+3
3)f(x)=2x^2+20 корень x
y`=4x+20/2</span>√x=4x+10/√x<span>
4)f(x)=x^3+корень x
f`(x)=3x</span>²+1/2√x<span>
5)f(x)=x^2+x^3
f`(x)=2x+3x</span>²<span>
6)f(x)=x^8-3x^4-x+5
f`(x)=8x^7-12x</span>³-1
Y`=2x/π+2cos2x+1/2cosx-1/2sinx
y`(π/2)=1+2*(-1)+1/2*0-1/2*1=1-2+0-0,5=-1,5
X^2+y^2+10x+6y+34=0
Решение: