házi

1220 days ago by farkast

show(sum([plot(derivative(log(x),x,n), (0,5)) for n in range (0,10)]), ymin = -4, ymax = 4) 
       
len([(m, n, o,) for n in range(1, 98) for m in range(1, 100) for o in range(1, 100) if m+n+o==100 and m!=n and m!=o and n!=o])/6 
       
784
784
 
       
 
       
 
       
len([(a,b,c) for a in range (1,100) for b in range (1,100) for c in range (1,100) if a^2+b^2==c^2 and (is_prime(a) or is_prime(b) or is_prime(c))])/2 
       
13
13