" Evaluate "sum_(r=0)^(10)rx^(10)c_(r)3(-2)^(r)

The value of sum_(r=0)^(10)r^(10)C_r3^r(-2)^(10-r) is 20 b. 10 c. 300 d. 30

The value of sum_(r=0)^(10)r^(10)C_r3^r(-2)^(10-r) is 20 b. 10 c. 300 d. 30

sum_(r=0)^(10) r.^(10)C_(r),3^(r).(-2)^(10-r) is -

Sum of all coefficient of different power of x in the expansion sum_(r=0)^(10)('^10)C_(r)(x-3)^(r)4^(10-r) will be

The value of sum_(r=0)^(9)(10C_(r))/(^^^10C_(r)+^(10)C_(r+1)) is equal to

The value of sum_(r=0)^(10) (-1)^(r).4^(10-r)""^(30)C_(r)""^(30-r)C_(10-r) is equal to

The value of sum_(r=0)^(10)r(C(n,r))/(C(n,r-1))=

The value of sum_(r=0)^(10)cos^(3)((r pi)/(3)) is