Expert Mathematics Polynomials Class 10 Level 46

किस मान के लिए (p(x)=(m-2)x-4+3x-2+x+1) की घात (2) से अधिक नहीं होगी?

For which value will (p(x)=(m-2)x-4+3x-2+x+1) have degree not more than (2)?

Explanation opens after your attempt
Correct Answer

A. (m=2)

Step 1

Concept

To make the degree not more than (2), the coefficient of \(x^4\) must be (0), so (m-2=0). Degree reduces only when the highest term vanishes.

Step 2

Why this answer is correct

The correct answer is A. (m=2). To make the degree not more than (2), the coefficient of \(x^4\) must be (0), so (m-2=0). Degree reduces only when the highest term vanishes.

Step 3

Exam Tip

घात (2) से अधिक न हो इसके लिए \(x^4\) का गुणांक (0) चाहिए, अतः (m-2=0)। उच्चतम पद हटाकर ही घात घटती है।

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Mathematics Answer, Explanation and Revision Hints

किस मान के लिए (p(x)=(m-2)x-4+3x-2+x+1) की घात (2) से अधिक नहीं होगी? / For which value will (p(x)=(m-2)x-4+3x-2+x+1) have degree not more than (2)?

Correct Answer: A. (m=2). Explanation: घात (2) से अधिक न हो इसके लिए \(x^4\) का गुणांक (0) चाहिए, अतः (m-2=0)। उच्चतम पद हटाकर ही घात घटती है। / To make the degree not more than (2), the coefficient of \(x^4\) must be (0), so (m-2=0). Degree reduces only when the highest term vanishes.

Which concept should I revise for this Mathematics MCQ?

To make the degree not more than (2), the coefficient of \(x^4\) must be (0), so (m-2=0). Degree reduces only when the highest term vanishes.

What exam hint can help solve this Mathematics question?

घात (2) से अधिक न हो इसके लिए \(x^4\) का गुणांक (0) चाहिए, अतः (m-2=0)। उच्चतम पद हटाकर ही घात घटती है।

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