Let `a,b,c` be real numbers with sum equals zero, let us denote `(a^k+b^k+c^k)/k=S_k` then `(S_5S_2)/(S_7)` is equal to :

Let S={a,b,c} , the total number of binary operations on S be K^(9) . Find the value of K.

If S(n)=sum_(k=1)^(n)(k)/(k^(4)+(1)/(4)), then (221S(10))/(10) is equal to:

Let S_k be sum of an indinite G.P whose first term is 'K' and commmon ratio is (1)/(k+1) . Then Sigma_(k=1)^(10) S_k is equal to _________.

Let S_k be sum of an indinite G.P whose first term is 'K' and commmon ratio is (1)/(k+1) . Then Sigma_(k=1)^(10) S_k is equal to _________.

Let S_k be sum of an indinite G.P whose first term is 'K' and commmon ratio is (1)/(k+1) . Then Sigma_(k=1)^(10) S_k is equal to _________.

Let a,b,c,d,e, be the observations with m and standard deviation s.The standard deviation of the observations a+k,b+k,c+k,d+k,e+k is s(b)ksquad (c)s+k

Let S, denote the sum of first k terms of on AP. What is S_(30)/(S_(20)-S_(10)) equal to?

Let a, b, c, d, e, be the observations with mean m and standard deviation s. The standard deviation of the observations a+k, b+k, c+k, d+k, e+k is (a) s (b) k s (c) s+k (d) s/k

Let a, b, c, d, e, be the observations with m and standard deviation s. The standard deviation of the observations a+k, b+k, c+k, d+k, e+k is s (b) k s (c) s+k (d) s/k