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Find the values of each of the following...

Find the values of each of the following :
(i)`3^(-1)+4^(-1)`
(ii) `(3^0+4^(-1))xx2^2`
(iii)`(3^(-1)+4^(-1)+5^(-1))^0`
(iv) `{(1/3)^(-1)-\ (1/4)^(-1)}^(-1)`

Text Solution

Verified by Experts

(i)`3^(-1)+4^(-1)`
`=1/3+1/4`
`=7/12`

(ii) `(3^0+4^(-1))xx2^2`
`=(1+1/4) xx 4`
`=5/4 xx4`
`=5`

(iii)`(3^(-1)+4^(-1)+5^(-1))^0`
`=1`
(iv) `{(1/3)^(-1)-\ (1/4)^(-1)}^(-1)`
`=(3-4)^(-1)`
`=(-1)^(-1)`
`=-1`
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