3/36 + 7/9 = 3/36 + 28/36 = 31/36
2/5 + 3/20 = 8/20 + 3/20 = 11/20
1) y'= 3^x * ln3 -2
2)y'=5^6x-1 * ln5*(6x-1)' +e^3x * (3x)' = 5^6x-1 * 6ln5 + 3e^3x
<span>3)y=log3*(x^2+2x+4)
y'= 1/[(x</span>²+2x+4)*ln3] *(2x+2)
<span>
4)y=ln*(x^2-3x)+cos3x
y'= 1/(x</span>²-3x) * (2x-3) -sin3x * 3
б)<span> ℓog2x+3(5x2+11x+3)=2</span>
<span>5x²+11x+3=(2x+3)²</span>
<span>5x²+11x+3=4x²+12x+9</span>
<span>5x²+11x+3-4x²-12x-9=0</span>
<span>x²-x-6=0</span>
<span>D = 1²-4*1*(-6)=1+24=25</span>
<span>x1=(1+5)/2=3</span>
<span>x2=(1-5)/2=-2</span>
<span>(4-y)*(4 +y)-2y*(2y²-1)+4(y³-4) =16-y²-4y³+2y+4y³-16=2y-y²=y(2-y)</span>