Surds are square roots which can’t be reduced to rational numbers. Some can be simplified using various rules or by rationalising the denominator. Revise working with surds with this National 5 Maths ...

THIS work is “a compendium of algebra composed by the sheikh Abu Abdullah Muhammad b. ‘Umar b. Muhammad, generally known as Ibn Badr.” Practically nothing is known about the author, and not much about ...