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Let f(x)={(1+x, 0 le xle2),(3-x, 2 ltx l...

Let `f(x)={(1+x, 0 le xle2),(3-x, 2 ltx le3):}`, then the points of discontinuity of g(x)=f[f(x)] `is//are`

A

only at x=1

B

x=2,3

C

only at x=3

D

x=1,2

Text Solution

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The correct Answer is:
D
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