1400 saal pehle Mathematics ka jo Formula HAZRAT ALI ne dia woh aaj tak koi rad na karsaka.
1)Tumhare Dost ka Dost Tumhara Dost
++=+
2)Tumhare Dost ka Dushman Tumhara Dushman
+-=-
3)Tumhare Dushman ka Dushman Tumhara Dost
--=+
4)Tumhare Dushman ka Dost Tumhara Dushman
1)Tumhare Dost ka Dost Tumhara Dost
++=+
2)Tumhare Dost ka Dushman Tumhara Dushman
+-=-
3)Tumhare Dushman ka Dushman Tumhara Dost
--=+
4)Tumhare Dushman ka Dost Tumhara Dushman