फलन f(x) = log10(x2 + 2x + 11) का न्यूनतम मान क्या है?

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NDA-II 2024 (Maths) Official Paper (Held On: 01 Sept, 2024)
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Answer (Detailed Solution Below)

Option 2 : 1
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NDA 01/2025: English Subject Test
30 Qs. 120 Marks 30 Mins

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व्याख्या:

f(x) = log10 (x2 + 2x + 11) के लिए न्यूनतम f'(x) = 0

.. (चूँकि x2 +2x + 11 > 0)

x = -1 पर, हमें f(x) का न्यूनतम मान प्राप्त होता है।

⇒ f(-1) = log1010 = 1

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