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[" Evaluate the following: "],[[" (i) "s...

[" Evaluate the following: "],[[" (i) "sum_(n=1)^(11)(2+3^(n))," (ii) "sum_(k=1)^(n)(2^(k)+3^(k-1)),," (iii) "sum_(n=2)^(10)4^(n)]]

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