Solution of triangle ,straight lines & conic section -xi

<div style="width:477px" id="__ss_9899806"> <strong style="display:block;margin:12px 0 4px"><a href="http://www.slideshare.net/indupsthakur/solution-of-triangles" title="Solution of triangles" target="_blank">Solution of triangles
http://www.slideshare.net/indupsthakur/straight-lines-13363063
http://www.slideshare.net/indupsthakur/conic-sections-13363095