Oblicz

Oblicz Patii: ktos sprawdzi? [(6+11¹^/² )¹^/²−(6−11¹^/²)¹^/²]²= (6+11¹^/²)−2*(6+11¹^/²)*(6−11¹^/²)+(6−11¹^/²)= 6−2(6+11¹^/²)*(6−11¹^/²)= 6−(12+2*11¹^/²)(6−11¹^/²)= 6−(72−12*11¹^/²+12*11¹^/²−2*11¹^/²*11¹^/²)= 6−(72−2*11)=6−72−22=−88 cos mi sie nie zgadza

22 kwi 16:08