Question

помогите пожалуйста

Answer 1

$1. y=63 \\y'=0$

$2. y=x\y'=1$

$3. y=12x\y'=12$

$4. y=x^4\y'=4x^3$

$5. y=5x^5+11\y'=25x^4$

$6. y=x^7/7+5x^6/6+x^4/4+6\y'=x^6+5x^5+x^3$

$7. y=(7x^5-7)(x^2-1)\y'=35x^4(x^2-1)+(7x^5-7)2x=35x^6-35x^4+14x^6-14x=49x^6-35x^4-14x$

$8. y=frac{3x^4}{x^2+2}\\y'=frac{12x^3(x^2+2)-3x^42x}{(x^2+2)^2} =frac{12x^5+24x^3-6x^5}{(x^2+2)^2} =frac{6x^5+24x^3}{(x^2+2)^2} =frac{6x^3(x^2+4)}{(x^2+2)^2}$