फलन (f(x)=x-2-6x+11) का परिसर क्या है, जब \(x\in[1,5]\)?
What is the range of (f(x)=x-2-6x+11) when \(x\in[1,5]\)?
Explanation opens after your attempt
A. ( [2,6] )
Concept
Since (f(x)=(x-3)2+2), the minimum is (2). At the endpoints (x=1) and (x=5), the maximum is (6).
Why this answer is correct
The correct answer is A. ( [2,6] ). Since (f(x)=(x-3)2+2), the minimum is (2). At the endpoints (x=1) and (x=5), the maximum is (6).
Exam Tip
(f(x)=(x-3)2+2), इसलिए न्यूनतम (2) है। सिरा (x=1) और (x=5) पर अधिकतम (6) मिलता है।
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