ch 1 lect 5: indicating uncertainty in addition, subtraction, multiplication, division and power

Welcome to my YouTube channel Dear Pakistan lovers and Pashtons. The basic aim of selecting Pastho language for my channel is to help our war and terror effected Pashtons and KP students. To rise up their level and educate them. My ambitions behind this everything are: 1) To put every student to get admission in a well reputed university, 2) To be a well mannered Student, 3) to serve Islam and Pakistan. So learn physics from here and try your best to serve Islam and Pakistan.