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Kelewyn
4 год назад
Найдите производную функции t(x)=1/2x-3xt(x)=1/x^2-1/xt(x)=x(x-√x)+3t(x)=-(5x+8)/(2-3x)
ОТВЕТЫ
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Pirkko Minna
Nov 27, 2020
t'(x)=(1/2x - 3x)'= -1/(2x²)
t'(x)=(1/x²-1/x)'=-2/x³+1/x²= 1/x²-2/x³
t'(x)=x(x-√x)+3=х²-√х³+3=2x-3/2*x¹/²= 2x-1.5*√x
t'(x)=(-(5x+8)/(2-3x))'=((5x+8)/(3х-2))'=(5x+8)'*(3х-2)-(5x+8)/(3х-2)')/ (3х-2)²=
(5*(3х-2)-(5x+8)*3)/ (3х-2)²=(15x-10-15x-24)/ (3х-2)²=-34/ (3х-2)²
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