Question
Download Solution PDFComprehension
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?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFव्याख्या:
f(x) = cos2x + x [-π/2, π/2] पर
\(f (\frac{-\pi}{2}) =-1 - \frac{\pi}{2}\)
\(f (\frac{\pi}{2}) =-1 + \frac{\pi}{2}\)
इसलिए f(x) का न्यूनतम मान \(-1 - \frac{\pi}{2}\)
∴ विकल्प (a) सही है
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