The value of (1/1*4)+(1/4*7)+(1/7*10)+...+(1/16*19) is

If x=√3+√2,then the value of x³+x+(1/x)+(1/x³) is

The digit in the units place of the resulting number of the expression (234)^100+(234)^101 is

The average of m numbers is n^4 and average of n numbers is m^4.The average of (m+n) numbers² is

The largest natural number which divides every natural number of the form (n³-n)(n-2),where n is a natural number greater than 2 is

What is √4+(√4-(√4+....)