व्यंजक ((a-3)x-4+2x-2-5) की डिग्री (4) कब होगी?

When will the degree of ((a-3)x-4+2x-2-5) be (4)?

Explanation opens after your attempt
Correct Answer

B. जब \(a\neq3\)When \(a\neq3\)

Step 1

Concept

The degree remains (4) only when the coefficient of \(x^4\) is not zero. Hence \(a-3\neq0\).

Step 2

Why this answer is correct

The correct answer is B. जब \(a\neq3\) / When \(a\neq3\). The degree remains (4) only when the coefficient of \(x^4\) is not zero. Hence \(a-3\neq0\).

Step 3

Exam Tip

डिग्री (4) तभी रहेगी जब \(x^4\) का गुणांक शून्य न हो। इसलिए \(a-3\neq0\) होना चाहिए।

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Mathematics Answer, Explanation and Revision Hints

व्यंजक ((a-3)x-4+2x-2-5) की डिग्री (4) कब होगी? / When will the degree of ((a-3)x-4+2x-2-5) be (4)?

Correct Answer: B. जब \(a\neq3\) / When \(a\neq3\). Explanation: डिग्री (4) तभी रहेगी जब \(x^4\) का गुणांक शून्य न हो। इसलिए \(a-3\neq0\) होना चाहिए। / The degree remains (4) only when the coefficient of \(x^4\) is not zero. Hence \(a-3\neq0\).

Which concept should I revise for this Mathematics MCQ?

The degree remains (4) only when the coefficient of \(x^4\) is not zero. Hence \(a-3\neq0\).

What exam hint can help solve this Mathematics question?

डिग्री (4) तभी रहेगी जब \(x^4\) का गुणांक शून्य न हो। इसलिए \(a-3\neq0\) होना चाहिए।