यदि (r=0), तो \(rx^8-5x^3+2\) की डिग्री क्या होगी?
If (r=0), what will be the degree of \(rx^8-5x^3+2\)?
Explanation opens after your attempt
C. (3)
Concept
When (r=0), the \(x^8\) term disappears. The remaining highest power is (3).
Why this answer is correct
The correct answer is C. (3). When (r=0), the \(x^8\) term disappears. The remaining highest power is (3).
Exam Tip
(r=0) होने पर \(x^8\) पद हट जाता है। बची हुई सबसे बड़ी घात (3) है।
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