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Find the domain of the following real va...

Find the domain of the following real valued functions:
(i) `f(x) = sqrt(x^(2)-25)`
(ii) `f(x) = sqrt(x^(2)-3x+2)`,
(iii) `f(x) = (sqrt(2+x) + sqrt(2-x))/x`

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The correct Answer is:
(i) `(-infty, -5] cup [5,infty)`
(ii) `(-infty, 1) cup [2, infty)`
(iii) `[-2,2] -[0]`
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AAKASH SERIES-FUNCTIONS -PRACTICE EXERCISE
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