Объяснение:
2)
[tex]y'=(0,32x^{-3}+0,11x^{-1}+0,24x)'=\\=-3*0,32*x^{-3-1}+(-1)*0,11*x^{-1-1}+0,24=-0,96x^{-4}-0,11x^{-2}+0,24=\\=-\frac{0,96}{x^4} -\frac{0,11}{x^2}+0,24 .[/tex]
3)
[tex]y'=((3x-2)*(4x^3-3))'=(12x^4-9x-8x^3+6)'=4*12*x^3-9-3*8*x^2=\\=48x^3-24x^2-9.[/tex]
4)
[tex]y'=(\frac{x^2+5x}{sinx} )'=\frac{(x^2+5x)'*sinx-(x^2+5x)*(sinx)'}{sin^2x} =\frac{(2x+5)*sinx-(x^2+5x)cosx}{sin^2x} .[/tex]
2.
[tex]y=x^2*cosx\ \ \ \ \ x_0=\frac{\pi }{2}\\ y'=(x^2*cosx)=(x^2)'*cosx+x^2*(cosx)'=2x*cosx+x^2*(-sinx)=\\=2x*cosx-x^2*sinx=2*\frac{\pi }{2}*cos\frac{\pi }{2}-(\frac{\pi }{2})^2*sin\frac{\pi }{2}=\pi *0-\frac{\pi ^2}{4}*1=-\frac{\pi ^2}{4}.[/tex]
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Verified answer
Объяснение:
2)
[tex]y'=(0,32x^{-3}+0,11x^{-1}+0,24x)'=\\=-3*0,32*x^{-3-1}+(-1)*0,11*x^{-1-1}+0,24=-0,96x^{-4}-0,11x^{-2}+0,24=\\=-\frac{0,96}{x^4} -\frac{0,11}{x^2}+0,24 .[/tex]
3)
[tex]y'=((3x-2)*(4x^3-3))'=(12x^4-9x-8x^3+6)'=4*12*x^3-9-3*8*x^2=\\=48x^3-24x^2-9.[/tex]
4)
[tex]y'=(\frac{x^2+5x}{sinx} )'=\frac{(x^2+5x)'*sinx-(x^2+5x)*(sinx)'}{sin^2x} =\frac{(2x+5)*sinx-(x^2+5x)cosx}{sin^2x} .[/tex]
2.
[tex]y=x^2*cosx\ \ \ \ \ x_0=\frac{\pi }{2}\\ y'=(x^2*cosx)=(x^2)'*cosx+x^2*(cosx)'=2x*cosx+x^2*(-sinx)=\\=2x*cosx-x^2*sinx=2*\frac{\pi }{2}*cos\frac{\pi }{2}-(\frac{\pi }{2})^2*sin\frac{\pi }{2}=\pi *0-\frac{\pi ^2}{4}*1=-\frac{\pi ^2}{4}.[/tex]