Comprehension

निर्देश : निम्नलिखित प्रश्नों के लिए निम्नलिखित पर विचार करें:

माना f(x) = cos2x + x, जहाँ x [-π/2, π/2] में है।

f(x) का न्यूनतम मान क्या है?

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NDA-II 2024 (Maths) Official Paper (Held On: 01 Sept, 2024)
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व्याख्या:

f(x) = cos2x + x [-π/2, π/2] पर

इसलिए f(x) का न्यूनतम मान

∴ विकल्प (a) सही है

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