Hello candidate,
The total number of terms in the expression of (1+x)^2n+1 is equal to 2n+2. So, the middle term of the expression is 2n+2/2= (n+1)th term.
So, the term is 2n+1Cn+1* x^n+1*1^n+1, where the term C represents Combination of Permutation and Combination.
Hope that this Information helps you!!
Hope it helps.
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