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1) y=3x^5+2x-2
2) y=(3/x)+3√x
3) y=√x×(5-2x^2)
4) y=(cosx)/x^2
5) y=(2x^2+4)/√x
6) y=(tgx)/3x

1) y=3x^5+2x-2y' = 15x^4 +22) y=(3/x)+3√xy' = -3/x² + 3/(2√x)3) y=√x*(5-2x^2)y' = 1/(2√x) * (5 -2x²) + √x * (-4x) = (5 -2x² -8x²)/(2√x) = (5 -10x²)/(2√x)4) y=(cosx)/x^2y' = (-Sinx*x² - Cosx *2x)/x^45) y=(2x^2+4)/√xy' = (4x*√x - (2x² +4)*1/(2√x) )/x = (8x²-2x² -4)/(2x√x) = (6x² -4)/(2x√x)6) y=(tgx)/3x