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UPSC NDA I 2025 Mathematics Paper

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Question Numbers: 79-80
Consider the following for the two (02) items that follow:
Let f(x)={

x3,‌	x2<1
x2,‌	x2≥1

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Question : 79

Total: 120

What is

f′(x) equal to?

2
1
0
Limit does not exist

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