Draw the region bounded by the curves y=sqrt(x), x=4, y=0. Use the washer method to find the volume - YouTube
Find the nature of the roots of the following quadratic equations, if the real root exist, find them: i 2x² - 3x + 5 = 0 ii 3x2 - 4√3x + 4 = 0 iii 2x² - 6x + 3 = 0
Solve by completing the square: Integer solutions (video) | Khan Academy