यदि (k=5), तो ((k-5)x-7+4x-3-x+2) की डिग्री क्या होगी?

If (k=5), what will be the degree of ((k-5)x-7+4x-3-x+2)?

Explanation opens after your attempt
Correct Answer

C. (3)

Step 1

Concept

Putting (k=5) makes the coefficient of \(x^7\) equal to (0). In the remaining polynomial, the highest power is (3).

Step 2

Why this answer is correct

The correct answer is C. (3). Putting (k=5) makes the coefficient of \(x^7\) equal to (0). In the remaining polynomial, the highest power is (3).

Step 3

Exam Tip

(k=5) रखने पर \(x^7\) का गुणांक (0) हो जाता है। शेष बहुपद में सबसे बड़ी घात (3) है।

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Mathematics Answer, Explanation and Revision Hints

यदि (k=5), तो ((k-5)x-7+4x-3-x+2) की डिग्री क्या होगी? / If (k=5), what will be the degree of ((k-5)x-7+4x-3-x+2)?

Correct Answer: C. (3). Explanation: (k=5) रखने पर \(x^7\) का गुणांक (0) हो जाता है। शेष बहुपद में सबसे बड़ी घात (3) है। / Putting (k=5) makes the coefficient of \(x^7\) equal to (0). In the remaining polynomial, the highest power is (3).

Which concept should I revise for this Mathematics MCQ?

Putting (k=5) makes the coefficient of \(x^7\) equal to (0). In the remaining polynomial, the highest power is (3).

What exam hint can help solve this Mathematics question?

(k=5) रखने पर \(x^7\) का गुणांक (0) हो जाता है। शेष बहुपद में सबसे बड़ी घात (3) है।