फलन (f(x)=\frac{1}{x-2+2x+2}) का अधिकतम मान क्या है?
What is the maximum value of (f(x)=\frac{1}{x-2+2x+2})?
Explanation opens after your attempt
A. (1)
Concept
The denominator (x-2+2x+2=(x+1)2+1) has minimum value (1). Hence the maximum value of the function is (1).
Why this answer is correct
The correct answer is A. (1). The denominator (x-2+2x+2=(x+1)2+1) has minimum value (1). Hence the maximum value of the function is (1).
Exam Tip
हर (x-2+2x+2=(x+1)2+1) का न्यूनतम मान (1) है। इसलिए फलन का अधिकतम मान (1) है।
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