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