(1) 125√10 (2) 25√2 (3) 125 (4) 125√2 Solution: Here a = √2 Common ratio, r = √5 nth term of GP = arn-1 7th term = √2×√56... View Article
(1) 8 (2) 10 (3) 15 (4) 20 Solution: Sum of n natural numbers = n(n+1)/2 Sum of squares n natural numbers = n(n+1)(2n+1)/6 Given the sum... View Article
Mercuric chloride is harmful and toxic waste, hence should be disposed with proper disposal methods. It should be put down the drain, or placed... View Article
Enthalpy increases due to the changes in the reactants. When heat generated in the system (internal energy) increases enthalpy increases. To... View Article