^4/7C_(4)+sum_(r=1)^(5)52u_(r)^(2)c_(3)" is equal to "

If ""^(47)C_(4)+sum_(r=1)^(5) ""^(52-r)C_(3) is equal to

The value of [""^(47)C_(4) +sum _(r=1)^(5) ""^(52-r)C_(3)] is equal to-

The value of the expression ""^(47)C_(4) + sum_(j =1)^(5)""^(52-j)C_(3) is equal to :

The value of the expression .^47C_4 + sum_(j = 1)^5 .^(52 - j)C_3 is equal to

If C_(r)=10C_(r), then sum_(r=1)^(10)C_(r-1)C_(r) is equal to

sum_(r=1)^(n)(C(n,r))/(r+2) is equal to

The number of divisiors of the number (sum_(r=10)^(20)5^(r-1)19C_(r-1))/(sum_(r=0)^(17)17C_(r)4^(17.26)r) is equal to

The value of the expression : ""^(47)C_4+sum_(j=1)^5""^(52-j)C_3 is equal to :