Welcome to YouTube channel " @conceptdoor786 This lecture is extracted from mathematics new book of federal board 2025. In this video we solve the math chapter no 1 exercise number 1.2 part 1,2,3 and 4. By watching this video you were able to understand properties of complex number and solve all the questions about additive inverse and multiplicative inverse of complex number #federalboard #mathematics #newsyllabus #nationalbookfoundation