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Why does do the ancient cities of Harappa and Mohenjo daro register like 15 RAD in some places? Have you ever heard about this? What happen when k2cr2o7added to so2? One number is 2 more than 2 times another. their product is 12. find the numbers? Find the values of p for which the series is convergent. Sigma infinite on top and n=1 on bottom. n(1+n^2)^p? How can we differentiate between alcohol and ether by chemical tests?