यदि (a=0), \(b\neq0\), तो \(ax^6+bx^4+x-1\) की डिग्री क्या होगी?
If (a=0), \(b\neq0\), what will be the degree of \(ax^6+bx^4+x-1\)?
Explanation opens after your attempt
Correct Answer
B. (4)
Concept
Since (a=0), the \(x^6\) term disappears, and since \(b\neq0\), the \(x^4\) term remains. So the degree is (4).
Why this answer is correct
The correct answer is B. (4). Since (a=0), the \(x^6\) term disappears, and since \(b\neq0\), the \(x^4\) term remains. So the degree is (4).
Exam Tip
(a=0) होने से \(x^6\) पद हटता है और \(b\neq0\) होने से \(x^4\) पद बचता है। इसलिए डिग्री (4) है।
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