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Find the sum sum(j=1)^(10)sum(i=1)^(10)i...

Find the sum `sum_(j=1)^(10)sum_(i=1)^(10)ixx2^(j)`

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To solve the problem, we need to evaluate the double summation: \[ \sum_{j=1}^{10} \sum_{i=1}^{10} i \cdot 2^j \] ### Step 1: Rearranging the Summation ...
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