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How To Scan A Document On Android Using Google Drive
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![Prove that |[a - b - c, 2a, 2a],[2b, b - c - a, 2b],[2c, 2c, c - a - b]| = (a + b +c)^3](http://i.ytimg.com/vi/F6Kll3fQIB0/mqdefault.jpg "Prove that |[a - b - c, 2a, 2a],[2b, b - c - a, 2b],[2c, 2c, c - a - b]| = (a + b +c)^3")
![sin𝐴 − sin𝐵 = 2cos[(𝐴+𝐵)\/2]sin[((𝐴−𝐵)\/2] (2 of 6)](http://i.ytimg.com/vi/kZ__c6cpA6c/mqdefault.jpg "sin𝐴 − sin𝐵 = 2cos[(𝐴+𝐵)\/2]sin[((𝐴−𝐵)\/2] (2 of 6)")
