The value of `(2^n+2^(n-1))/(2^(n+1)-2^n)`
`(a) 1/2`
`(b) 3/2`
`(c) 2/3`
`(d) 2`

The value of (2^(n-1)-2^(n))/(2^(n+4)+2^(n+1)) is a.-(1)/(36)b*(2)/(3)c(1)/(13)d*(5)/(13)

A value of n such that ((sqrt(3))/(2)+(i)/(2))^(n)=1 is (A) 12 (B) 3 (C) 2 (D) 1

Let (:a_(n):) be a sequence given by a_(n+1)=3a_(n)-2*a_(n-1) and a_(0)=2,a_(1)=3 then the value of sum_(n=1)^(oo)(1)/(a_(n)-1) equals (A) 1 (B) (1)/(2) (C) 2 D) 4

The value of sum (""^(n) C_(1) )^(2)+ (""^(n) C_(2) )^(2) + (""^(n) C_(3))^(2) + …+ (""^(n) C_(n) )^(2) is

The value of ""(n)C_(1). X(1 - x )^(n-1) + 2 . ""^(n)C_(2) x^(2) (1 - x)^(n-2) + 3. ""^(n)C_(3) x^(3) (1 - x)^(n-3) + ….+ n ""^(n)C_(n) x^(n) , n in N is

The value of (n+2).^(n)C_(0).2^(n+1)-(n+1).^(n)C_(1).2^(n)+(n).^(n)C_(2).2^(n-1)-….." to " (n+1) terms is equal to

If n is a positvie integers, the value of E=(2n+1).^(n)C_(0)+(2n-1).^(n)C_(1)+(2n-3)^(n)C_(2)+………+1. ^(n)C_(n)2 is

The value of |1 1 1\ ^n C_1\ ^(n+2)C_1\ ^(n+4)C_1\ ^n C_2\ ^(n+2)C_2\ ^(n+4)C_2| is (a) 2 (b) 4 (c) 8 (d) n^2

Value of   iota^n + iota^( n+1 ) + iota^( n+2 ) + iota^( n+3 ) is ( a ) 1 ( b ) 2 ( c ) 4 ( d ) 0

Value of   iota^n + iota^( n+1 ) + iota^( n+2 ) + iota^( n+3 ) is ( a ) 1 ( b ) 2 ( c ) 4 ( d ) 0