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About Video - Why +ve z-axis is always outward plane of paper LET"S THINK!!! Is it convention or is there any reason behind that z axis is always outward the plane of paper ( if +ve x-axis is in right direction and +ve Y-axis is toward upward in the plane of paper).I hope you will enjoy the video..If you have any doubts then please ask in comment section.Please LIKE the video if you get some help, SHARE the video to your relative or friend who recently promoted to class 12. SUBSCRIBE studies with friends if you are in class 12.and most importantly DISLIKE THE VIDEO IF YOU DON'T LIKE THE VIDEO, AND PLEASE TELL ME IN THE COMMENT SECTION WHAT IMPROVISATION CAN BE DONE Keywords: coordinate geometry,cordinate geometry,class 12,physics,math,3d geometry,class 11,axis,studies with friends,trishu verma,bhiwani,interesting,study,new