2장-과제-정유진

1200 days 전, juillb 작성

#2번 plot(6*x^3+5*x-3) 
       
f(x)=6*x^3+5*x-3 diff(f(x), x) 
       
18*x^2 + 5
18*x^2 + 5
plot(18*x^2 + 5, color="orange") 
       
#3번 f(x) = (x-1)/(x+1) diff(f(x),x) 
       
1/(x + 1) - (x - 1)/(x + 1)^2
1/(x + 1) - (x - 1)/(x + 1)^2
f(x) = 1/(x + 1) - (x - 1)/(x + 1)^2 g = 1/2 solve( f(x)==g, x ) 
       
[x == -3, x == 1]
[x == -3, x == 1]