Объяснение:
1)
у=-5(х-х²)
у'=d/dx(-5(x-x²))
y'=d/dx(-5x+5x²)
y'=d/dx(-5x)+d/dx+5x²)
y'=-5+5*2x
y'=-5+10x
2) y=x³/3+x²/2)/-2x+1
y'=d/dx(x³+3+x²/2-2x+1)
y'=d/dx(x³/3)+d/dx(x²/2)+d/dx(-2x)+d/dx(1)
y'=1/3 *3x²+1/2 *2x-2+0
y'=x²+x-2
3)
y=x⁶+3x³-7x
y'=d/dx(x⁶+3x³-7x)
y'=d/dx(x⁶)+d/dx(3x³)+d/dx(-7x)
y'=6x⁵+3*3x²-7
y'=6x⁵+9x²-7
4) y=1/21x²¹-21
x=1/21y²¹-21
1/21y²¹-21=x
y²¹-441=21x
y²¹=21x+441
y=²¹√21x+441
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Answers & Comments
Объяснение:
1)
у=-5(х-х²)
у'=d/dx(-5(x-x²))
y'=d/dx(-5x+5x²)
y'=d/dx(-5x)+d/dx+5x²)
y'=-5+5*2x
y'=-5+10x
2) y=x³/3+x²/2)/-2x+1
y'=d/dx(x³+3+x²/2-2x+1)
y'=d/dx(x³/3)+d/dx(x²/2)+d/dx(-2x)+d/dx(1)
y'=1/3 *3x²+1/2 *2x-2+0
y'=x²+x-2
3)
y=x⁶+3x³-7x
y'=d/dx(x⁶+3x³-7x)
y'=d/dx(x⁶)+d/dx(3x³)+d/dx(-7x)
y'=6x⁵+3*3x²-7
y'=6x⁵+9x²-7
4) y=1/21x²¹-21
x=1/21y²¹-21
1/21y²¹-21=x
y²¹-441=21x
y²¹=21x+441
y=²¹√21x+441