Class 10, Maths (Real Numbers), If d is the HCF of 56 and 72, Find x and y satisfying d = 56x + 72y

Class 10, Maths Chapter - 1 Real Numbers If d is the HCF of 56 and 72, Find x and y satisfying d = 56x + 72y. Show that x and y are not unique. Most important question from real number chapter 1. Class 10 most important question for board ex