the sum of the two shorter sides of a right-angled triangle is 18cm. calculate the least possible length of the hypotenuse.
ok so obviously i get sqrt(x^2 + (18-x)^2) but how do i differentiate the whole expression from here?
the sum of the two shorter sides of a right-angled triangle is 18cm. calculate the least possible length of the hypotenuse.
ok so obviously i get sqrt(x^2 + (18-x)^2) but how do i differentiate the whole expression from here?
note that if you minimize , you will also minimize its square root.