найти производную
y=(4x^2)/(5-7x^3)

y=(x^8+3e^x-x^2)

y'=(x^8+3e^x-x^2)'=8x^7+3e^x-2xy=(4x^2)/(5-7x^3)y'=(4x^2)/(5-7x^3)'=(8x(5-7x^3)+21x^2*(4x^2))/(5-7x^3)^2