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Read S3 Event & Save to DynamoDB using AWS Lambda | S3 + AWS Lambda + DynamoDB in Java
![Find a matrix X such that A+ 2B + X = 0, where A= [[2,-1],[3,5]], B= [[-1,1],[0,2]]](http://i.ytimg.com/vi/3ZmjIwS8e-Q/mqdefault.jpg "Find a matrix X such that A+ 2B + X = 0, where A= [[2,-1],[3,5]], B= [[-1,1],[0,2]]")
