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Grade: 11

                        

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

3 years ago

Answers : (1)

Arun
24738 Points
							
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
3 years ago
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