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{(x n ) (n-1)/n } 1/(n+1) is equal to (a) x n (b) x n+1 (c) x n-1

{(xn)(n-1)/n}1/(n+1) is equal to
 
(a) xn  
(b) xn+1
(c) xn-1
 

Grade:12th pass

1 Answers

Vikas TU
14149 Points
7 years ago
Solving this to one extent,
 
{(xn)(n-1)/n}1/(n+1) = >  
(x)(n-1)/(n+1) 
as n cannot be equal to zero that is out of its domain put n = 1 and cross check the options,
Therefore,
at n = 1
x^0 = 1
check putting n = 1 in options that gives 1 as the result.
That is last option ©.

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