n का मान ज्ञात कीजिए , यदि -
(i) ` (n+2)! =12*n!`
(ii) ` (n+2)! = 60*(n-1)!`
(iii) ` (n+3)! = 2550(n+1)!`
(iv) `(n-2)! = 132 *(n-4)!`

Find the value of n if: (i) (n+2)! = 12n! (ii) (n+2)! = 60(n-1)! (iii) (n+3)! = 2550 (n+1)! (iv) (n-2)! = 132. (n-4)! .

IF (n + 2)! = 2550 n! find n .

If (n+2)!=2550n!, then n

If (n+2)! =(2550)(n!), find n.

Find n, if (n+2)!=2550xx n!(ii)(n+1)!=12xx(n-1)!

1+2.2+3.2^(2)+4.2^(3)+...+n*2^(n-1) = (i) 1+ (1+n) 2^(n) (ii) 1- (1+n) 2^(n) (iii) 1- (1-n) 2^(n) (iv) 1+ (1-n) 2^(n)

lim_ (n rarr oo) (1) / (n) [(1) / (n + 1) + (2) / (n + 2) + ... + (3n) / (4n)]

If tan A = 1, tan B = 2, tan C = 3, then A+B+C = (i) (n pi)/(2); n in Z (ii) (n pi); n in Z ( iii) (n pi)/(4); n in Z (iv) (2n pi)/(3); n in Z