UPSC NDA II 2023 Mathematics Solved Paper

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Consider the following for the next two (02) items that follow :
Let f(x)={
x3
|x3|
+a;
x<3
ab;x=3 and
x3
|x3|
+b;
x>3
.
f(x) be continuous at x=3.
[NDA II 2023]
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