If `n!,3xx(n!)" and "(n+1)!` are in GP, then the value of n will be

If n!,3n! and (n-1)! are in G.P then n!,5n! and (n+1)! are in

If n! +(n-1) ! =3, then find the value of n.

lf n! ,3n! and (n+1)! are in G.P, then n!, 5n! and (n+1)! are in

If n!,3xx n! and (n+1)! are in G.P.then n!,5xx n! and (n+1)! are in

If sum_(n,)n,(sqrt(10))/(3)sum n^(2),sum n^(3) are in GP,then the value of n is

If a_(1), a_(2), a_(3)"….." are in G.P. , then the value of Delta= |{:(log a_(n),loga_(n+1),loga_(n+2)),(log a_(n+3),loga_(n+4),loga_(n+5)),(loga_(n+6),loga_(n+7),loga_(n+8)):}| is :

If sum_(r=1)^(n) r(sqrt(10))/(3)sum_(r=1)^(n)r^(2),sum_(r=1)^(n) r^(3) are in G.P., then the value of n, is

If sum_(r=1)^(n) r(sqrt(10))/(3)sum_(r=1)^(n)r^(2),sum_(r=1)^(n) r^(3) are in G.P., then the value of n, is