The value of `(2^(-1)+3^(-1)+4^(-1))` is

The value of [3^(-1)xx4^(-1)]^(2) is _____________.

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

The value of (ax^(1//4) + 3a^(1//2)x^(1//2) + 4x^(3//4))(a - 3a^(1//2)x^(1//4) + 4x^(1//2)) is :

Find the value [4^(-1)+3^(-1)+6^(-2)]^(-1) .

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

The value of (1-(1)/(3^(2)))(1-(1)/(4^(2)))(1-(1)/(5^(2)))ddot M(1-(1)/(11^(2)))(1-(1)/(12^(2))) is (11)/(20) (b) (13)/(15) (c) (13)/(18) (d) (15)/(16) (e) None of these

The value of 2(cot^(-1))(1)/(2)-(cot^(-1))(4)/(3) is