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If f: R to R is defined by f(x) = {(x...

If `f: R to R` is defined by
`f(x) = {(x-1, ",","for"x le 1),(2-x^(2), ",", "for"1 lt x le 3 ),(x-10, ",", "for"3 lt x lt 5 ),(2x, ",", "for"x ge 5 ):}`
then the set of points of discontinuity of f is

A

(a) `R -{1,3,5}`

B

(b) `{1,3,5}`

C

(c) `R -{1,5}`

D

(d) `{1, 5}`

Text Solution

Verified by Experts

The correct Answer is:
D
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