5:42

Trigonometry NOT Allowed! Can You Solve This?

10:55

Optimization Problems in Calculus

11:31

Solving a 'Harvard' University entrance exam

12:49

Optimization- Maximum Area of Right Triangle with constant Hypotenuse.

11:08

Calculus Is Overrated – It is Just Basic Math

8:32

this technique is BEAUTIFUL.

10:31

Some "Prime Numbers" Are Not Fully Prime!

5:16

Can a rectangle have perimeter=1 and area=1?