यदि (q(x)=(k-4)2x-8+(k-4)x-5+3x) और (k=4), तो (q(x)) की डिग्री क्या है?

If (q(x)=(k-4)2x-8+(k-4)x-5+3x) and (k=4), what is the degree of (q(x))?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

C. (1)

Step 1

Concept

At (k=4), both \(x^8\) and \(x^5\) terms vanish. The remaining (3x) has degree (1).

Step 2

Why this answer is correct

The correct answer is C. (1). At (k=4), both \(x^8\) and \(x^5\) terms vanish. The remaining (3x) has degree (1).

Step 3

Exam Tip

(k=4) पर \(x^8\) और \(x^5\) दोनों पद हट जाते हैं। बचा (3x) है जिसकी डिग्री (1) है।

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Mathematics Answer, Explanation and Revision Hints

यदि (q(x)=(k-4)2x-8+(k-4)x-5+3x) और (k=4), तो (q(x)) की डिग्री क्या है? / If (q(x)=(k-4)2x-8+(k-4)x-5+3x) and (k=4), what is the degree of (q(x))?

Correct Answer: C. (1). Explanation: (k=4) पर \(x^8\) और \(x^5\) दोनों पद हट जाते हैं। बचा (3x) है जिसकी डिग्री (1) है। / At (k=4), both \(x^8\) and \(x^5\) terms vanish. The remaining (3x) has degree (1).

Which concept should I revise for this Mathematics MCQ?

At (k=4), both \(x^8\) and \(x^5\) terms vanish. The remaining (3x) has degree (1).

What exam hint can help solve this Mathematics question?

(k=4) पर \(x^8\) और \(x^5\) दोनों पद हट जाते हैं। बचा (3x) है जिसकी डिग्री (1) है।