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Grade 11,

total no of terms in the expansion of (x+1+1/x) power n

total no of terms in the expansion of (x+1+1/x) power n 

Grade:11

1 Answers

Arun
25750 Points
6 years ago
lowest power would be = x –n
highest power would be = xn
since it has continuous power of x (– 1, 0, 1)
expansion will have all the powers from ranging –n to n.
hence there will be (2n+1) terms

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