Class 9th Maths exercise no 1.2 question no 3

Class 9th Maths exercise no 1.2 question no 3 Class 9th Maths exercise no 1.2 question no 3 easiest solution excercise no.1.2 question no.1https://youtu.be/Eho_WRFjDHI?si=K32oEzPz2BSn_5wM excercise no.1.2 question no.2 (I,ii,iii,iv,v)https://youtu.be/yTYVOceSn8g?si=oDy8_iWd90UHwHMY excercise no.1.2 question no.2(vi,vii,viii,ix) https://youtu.be/-nlIG4AcbDA?si=SnMhNUinO9YaoZU3