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UPSC NDA II 2023 Mathematics Solved Paper

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Consider the following for the next two (02) items that follow :
A function is defined by
f(x)=|

x+1	2	3
2	x+4	6
3	6	x+9

|

[NDA II 2023]

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Question : 46

Total: 120

The function attains local minimum value at :

x=−‌
28
3
x=−1
x=0
x=‌
28
3

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