18:25
Try solving (2 to the x – 1 power) over (2 to the 3 – 4x power) = 16 without a calculator
19:48
2 over (2 + square root of 3) =? many are going to get this WRONG!
15:09
Can YOU Solve This Cambridge Admissions Question?
20:42
Calculus Made EASY! Finally Understand It in Minutes!
31:46