Available at http://www.MathCity.org Exercise 1.1 - Chapter 01 Mathematical Methods by S.M. Yusuf, A. Majeed and M. Amin ILMI KITAB KHANA, LAHORE. Available at http://www.MathCity.org Available at http://www.MathCity.org Available at http://www.MathCity.org Available at http://www.MathCity.org