Question
Download Solution PDFComprehension
निर्देश : निम्नलिखित प्रश्नों के लिए निम्नलिखित पर विचार करें:
माना f o g(x) = cos2√x और g o f(x) = |cos x| है।
निम्नलिखित में से कौन सा g(x) है?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFव्याख्या:
दिया गया है:
fog(x) =cos 2 √x और go f(x) = |cos x|.
यदि हम विकल्प (c) लेते हैं,
⇒ f(x) = cos2 x; तब g(x) = √x
⇒ fog(x) = cos 2 √x और go f(x) =
= |cos2x|
तब f(x) = cos2 x
यदि f(x) = cos2 x तब g(x) = √ x
∴ विकल्प (a) सही है।
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