यदि (f(x)=x-2-4x+5) और (g(x)=1-x) हों, तो ((f+g)(x)) का न्यूनतम मान क्या है?

If (f(x)=x-2-4x+5) and (g(x)=1-x), what is the minimum value of ((f+g)(x))?

Explanation opens after your attempt
Correct Answer

A. \(-\frac{1}{4}\)

Step 1

Concept

((f+g)(x)=x-2-5x+6=\(x-\frac{5}{2}\)2-\frac{1}{4}). Hence the minimum value is \(-\frac{1}{4}\).

Step 2

Why this answer is correct

The correct answer is A. \(-\frac{1}{4}\). ((f+g)(x)=x-2-5x+6=\(x-\frac{5}{2}\)2-\frac{1}{4}). Hence the minimum value is \(-\frac{1}{4}\).

Step 3

Exam Tip

((f+g)(x)=x-2-5x+6=\(x-\frac{5}{2}\)2-\frac{1}{4})। अतः न्यूनतम मान \(-\frac{1}{4}\) है।

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Mathematics Answer, Explanation and Revision Hints

यदि (f(x)=x-2-4x+5) और (g(x)=1-x) हों, तो ((f+g)(x)) का न्यूनतम मान क्या है? / If (f(x)=x-2-4x+5) and (g(x)=1-x), what is the minimum value of ((f+g)(x))?

Correct Answer: A. \(-\frac{1}{4}\). Explanation: ((f+g)(x)=x-2-5x+6=\(x-\frac{5}{2}\)2-\frac{1}{4})। अतः न्यूनतम मान \(-\frac{1}{4}\) है। / ((f+g)(x)=x-2-5x+6=\(x-\frac{5}{2}\)2-\frac{1}{4}). Hence the minimum value is \(-\frac{1}{4}\).

Which concept should I revise for this Mathematics MCQ?

((f+g)(x)=x-2-5x+6=\(x-\frac{5}{2}\)2-\frac{1}{4}). Hence the minimum value is \(-\frac{1}{4}\).

What exam hint can help solve this Mathematics question?

((f+g)(x)=x-2-5x+6=\(x-\frac{5}{2}\)2-\frac{1}{4})। अतः न्यूनतम मान \(-\frac{1}{4}\) है।