यदि (r(x)=kx-3+2x-2+1) की घात (2) है, तो (k) के बारे में क्या सही है?

If the degree of (r(x)=kx-3+2x-2+1) is (2), what is correct about (k)?

Explanation opens after your attempt
Correct Answer

C. (k=0)

Step 1

Concept

For the degree to be (2), the \(x^3\) term must disappear. Therefore, (k=0) is required.

Step 2

Why this answer is correct

The correct answer is C. (k=0). For the degree to be (2), the \(x^3\) term must disappear. Therefore, (k=0) is required.

Step 3

Exam Tip

घात (2) होने के लिए \(x^3\) वाला पद हटना चाहिए। इसलिए (k=0) होना जरूरी है।

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Mathematics Answer, Explanation and Revision Hints

यदि (r(x)=kx-3+2x-2+1) की घात (2) है, तो (k) के बारे में क्या सही है? / If the degree of (r(x)=kx-3+2x-2+1) is (2), what is correct about (k)?

Correct Answer: C. (k=0). Explanation: घात (2) होने के लिए \(x^3\) वाला पद हटना चाहिए। इसलिए (k=0) होना जरूरी है। / For the degree to be (2), the \(x^3\) term must disappear. Therefore, (k=0) is required.

Which concept should I revise for this Mathematics MCQ?

For the degree to be (2), the \(x^3\) term must disappear. Therefore, (k=0) is required.

What exam hint can help solve this Mathematics question?

घात (2) होने के लिए \(x^3\) वाला पद हटना चाहिए। इसलिए (k=0) होना जरूरी है।