If S = 3 , find the value of S-3

If s in x+cos x=a, find the value of |s in x-cos x|

If S_(3n)=2S_n then find the value of S_(4n)/S_(2n)

If V=s^(3) and V=216cm^(3) , then find the value of s in cm.

Let S_(n) be the sum of first n terms of and A.P. If S_(3n)=5S_(n) , then find the value of (S_(5n))/(S_(n)) is.

If 2s = 9 then the value of s^2 + (s - 1)^2 + (s - 3)^2 + (s - 5)^2 is:

If A=S^(2) and A=324cm^(2) , then find the value of S(in cm).