यदि (z=4), तो ((z-4)x-9+(z-1)x-6+3x-2-5) की डिग्री क्या होगी?

If (z=4), what will be the degree of ((z-4)x-9+(z-1)x-6+3x-2-5)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

B. (6)

Step 1

Concept

Putting (z=4) makes the coefficient of \(x^9\) equal to (0) and the coefficient of \(x^6\) equal to (3). So the highest power is (6).

Step 2

Why this answer is correct

The correct answer is B. (6). Putting (z=4) makes the coefficient of \(x^9\) equal to (0) and the coefficient of \(x^6\) equal to (3). So the highest power is (6).

Step 3

Exam Tip

(z=4) रखने पर \(x^9\) का गुणांक (0) और \(x^6\) का गुणांक (3) होता है। इसलिए सबसे बड़ी घात (6) है।

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Mathematics Answer, Explanation and Revision Hints

यदि (z=4), तो ((z-4)x-9+(z-1)x-6+3x-2-5) की डिग्री क्या होगी? / If (z=4), what will be the degree of ((z-4)x-9+(z-1)x-6+3x-2-5)?

Correct Answer: B. (6). Explanation: (z=4) रखने पर \(x^9\) का गुणांक (0) और \(x^6\) का गुणांक (3) होता है। इसलिए सबसे बड़ी घात (6) है। / Putting (z=4) makes the coefficient of \(x^9\) equal to (0) and the coefficient of \(x^6\) equal to (3). So the highest power is (6).

Which concept should I revise for this Mathematics MCQ?

Putting (z=4) makes the coefficient of \(x^9\) equal to (0) and the coefficient of \(x^6\) equal to (3). So the highest power is (6).

What exam hint can help solve this Mathematics question?

(z=4) रखने पर \(x^9\) का गुणांक (0) और \(x^6\) का गुणांक (3) होता है। इसलिए सबसे बड़ी घात (6) है।