Question
Download Solution PDFयदि x एक वास्तविक मात्रा है, तो (25 cos2 x + 9 sec2 x) का न्यूनतम मान क्या है?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिया गया है:
(25 cos2 x + 9 sec2 x)
प्रयुक्त सूत्र:
acos2x + bsec2x का न्यूनतम मान= 2√ab
गणना:
प्रश्न के अनुसार:
acos2x + bsec2x का न्यूनतम मान= 2√ab
⇒ 2√(25 × 9)
⇒ (2 × 5 × 3)
⇒ 30
∴ अभीष्ट मान 30 है
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