यदि (r=0), तो \(rx^7+3x^2-10\) की डिग्री क्या होगी?
If (r=0), what will be the degree of \(rx^7+3x^2-10\)?
Explanation opens after your attempt
C. (2)
Concept
When (r=0), the \(x^7\) term disappears. The remaining highest power is (2).
Why this answer is correct
The correct answer is C. (2). When (r=0), the \(x^7\) term disappears. The remaining highest power is (2).
Exam Tip
(r=0) होने पर \(x^7\) पद हट जाता है। बची हुई सबसे बड़ी घात (2) है।
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