Find the value of: `(3^-1+4^-1+5^-1)`

Find the value of (2^-1+3^-1)^-1-:5^-1

4.Find the value of 1/3^(-1)

1) Find the value 5^3

Find the Value of (1/3)^-2+(1/4)^-2+(1/5)^-2

Find the value of 4tan^(-1)1/5-tan^(-1)1/(70)+tan^(-1)1/(99)

Find the value of 4 tan^-1 (1/5) - tan^-1 (1/239)

Find the value of 4 tan^-1 (1/5) - tan^-1 (1/239)

3.Find the value of (5^0 +4^-1) times 2^2

Find the value of. (i) (3^@+4^(-1)) xx 2^2 (ii) (2^(-1)xx 4^(-1))-: 2^(-1) (iii) (1/2)^-2 + (1/3)^-2 + (1/4)^-2 (iv) (3^-1 + 4^-1+ 5^(-1))^0 (v) {((-2)/3)^-2}^2

Find the values of :- (1) (8)^(1//3) (2) (64)^(1//2) (3) 4^(5//2) (4) (36)^(3//2) (5) (27)^(2//3)