\(x^2-4x+7\) का न्यूनतम मान क्या है?

What is the minimum value of \(x^2-4x+7\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

B. (3)

Step 1

Concept

(x-2-4x+7=(x-2)2+3). Since the minimum of a square is (0), the value is (3).

Step 2

Why this answer is correct

The correct answer is B. (3). (x-2-4x+7=(x-2)2+3). Since the minimum of a square is (0), the value is (3).

Step 3

Exam Tip

(x-2-4x+7=(x-2)2+3) है। वर्ग का न्यूनतम (0) होने से मान (3) है।

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Mathematics Answer, Explanation and Revision Hints

\(x^2-4x+7\) का न्यूनतम मान क्या है? / What is the minimum value of \(x^2-4x+7\)?

Correct Answer: B. (3). Explanation: (x-2-4x+7=(x-2)2+3) है। वर्ग का न्यूनतम (0) होने से मान (3) है। / (x-2-4x+7=(x-2)2+3). Since the minimum of a square is (0), the value is (3).

Which concept should I revise for this Mathematics MCQ?

(x-2-4x+7=(x-2)2+3). Since the minimum of a square is (0), the value is (3).

What exam hint can help solve this Mathematics question?

(x-2-4x+7=(x-2)2+3) है। वर्ग का न्यूनतम (0) होने से मान (3) है।