Mein inpage mein kaise math ki equations use kar skta hon?

[IMG]http://i1212.***********.com/albums/cc445/Mistakerr/_2016.08.12_01h06m27s_002__zpseivvdd79.jpg[/IMG]


[IMG]http://i1212.***********.com/albums/cc445/Mistakerr/_2016.08.12_01h30m20s_005__zps12qnwdte.jpg[/IMG]

is tarha ki equations?