The value of `1^2.C_1 ``+ 3^2.C_3 +`` 5^2.C_5 + ...` is

With usual notations find the value of 3.C_1 + 5.C_2 + 7.C_3 + ……….+n terms

With usual notations find the value of 3.C_1 + 5.C_2 + 7.C_3 + ……….+n terms

The value of 1.C_(1)+3.C_(3)+5.C_(5)+7.C_(7)+......, where C_(0),C_(1),C_(2),........C_(n), are the binomial coefficients in the expansion of (1+x)^(n), is

The value of 2xx.^(n)C_(1) + 2^(3) xx .^(n)C_(3) + 2^(5) + "…." is

The value of 2xx.^(n)C_(1) + 2^(3) xx .^(n)C_(3) + 2^(5) + "…." is

Determine the value of n if ^(n)C_3: ^nC_2=5:1 .

The value of C_(0)+3C_(1)+5C_(2)+7C_(3)+ . . .+(2n+1)C_(n) is:

Find the value of (( 2^0 + 1)/ 5^0 ) is ( a ) 2 ( b ) 1 ( c ) ( 2/5 ) ( d ) ( 3/5 )