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Sigma notation calculator is an effective tool which gives the short form of a detailed sum.

Solution

This is the sum of all the (x

Here we put the value of x as per our given expression which ranges from 1 to 4 and thus solve the expression to get the answer.

This variable n is used to number or label each term.

the number of the first term here is 2

the number of the last term here is 4

Here we can see that the maximum digits till which we have to add is 4 since its given on the top of the sigma and n refers to the number from which we start here 2. Therefore the summation is from (2+3+4) which gives 9 as a result.