फलन (f(x)=-x-2+6x-5) का अधिकतम मान क्या है?
What is the maximum value of (f(x)=-x-2+6x-5)?
Explanation opens after your attempt
A. (4)
Concept
(-x-2+6x-5=-(x-3)2+4). Therefore the maximum value is (4).
Why this answer is correct
The correct answer is A. (4). (-x-2+6x-5=-(x-3)2+4). Therefore the maximum value is (4).
Exam Tip
(-x-2+6x-5=-(x-3)2+4)। इसलिए अधिकतम मान (4) है।
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