The value of `|(1,1,1),(4,6,9),(5,6,7)|` is -

The value of |[1,0,6],[7,2,5],[3,4,6]|=......

The value of [(1)/(3)]^(-1)-((1)/(4))^(-7)}+[((1)/(4))^(-1)-((1)/(5))^(-1)]+[((1)/(5))^(-1)-((1)/(6))^(-1)]^(2)] is

The value of (1)/(sqrt(4)+sqrt(5))+(1)/(sqrt(5)+sqrt(6))+(1)/(sqrt(6)+sqrt(7))+(1)/(sqrt(7)+sqrt(8))+(1)/(sqrt(8)+sqrt(9)) is

The value of 6((1)/(5)) - [4((1)/(2)) - {""((1)/(6)) - (""((3)/(5)) + ""((3)/(10)) - ""((7)/(15)))}] is

The value of (1)/(3)-:(6)/(7)-:(6)/(3)+(8)/(9)-(2)/(3)times(4)/(3) is: