यदि (m=0), तो (mx-4+(m+2)x-3-5) की डिग्री क्या होगी?
If (m=0), what will be the degree of (mx-4+(m+2)x-3-5)?
Explanation opens after your attempt
B. (3)
Concept
Putting (m=0) removes the \(x^4\) term and leaves \(2x^3-5\). Therefore the degree is (3).
Why this answer is correct
The correct answer is B. (3). Putting (m=0) removes the \(x^4\) term and leaves \(2x^3-5\). Therefore the degree is (3).
Exam Tip
(m=0) रखने पर \(x^4\) पद हट जाता है और \(2x^3-5\) बचता है। इसलिए डिग्री (3) है।
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