यदि (a=0) और \(b\neq0\), तो \(ax^7+bx^3+2\) की डिग्री क्या होगी?

If (a=0) and \(b\neq0\), what will be the degree of \(ax^7+bx^3+2\)?

Explanation opens after your attempt
Correct Answer

B. (3)

Step 1

Concept

When (a=0), the \(x^7\) term disappears. Since \(b\neq0\), the \(x^3\) term remains.

Step 2

Why this answer is correct

The correct answer is B. (3). When (a=0), the \(x^7\) term disappears. Since \(b\neq0\), the \(x^3\) term remains.

Step 3

Exam Tip

(a=0) होने से \(x^7\) पद हट जाता है। \(b\neq0\) होने से \(x^3\) पद बचता है।

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FAQs

Mathematics Answer, Explanation and Revision Hints

यदि (a=0) और \(b\neq0\), तो \(ax^7+bx^3+2\) की डिग्री क्या होगी? / If (a=0) and \(b\neq0\), what will be the degree of \(ax^7+bx^3+2\)?

Correct Answer: B. (3). Explanation: (a=0) होने से \(x^7\) पद हट जाता है। \(b\neq0\) होने से \(x^3\) पद बचता है। / When (a=0), the \(x^7\) term disappears. Since \(b\neq0\), the \(x^3\) term remains.

Which concept should I revise for this Mathematics MCQ?

When (a=0), the \(x^7\) term disappears. Since \(b\neq0\), the \(x^3\) term remains.

What exam hint can help solve this Mathematics question?

(a=0) होने से \(x^7\) पद हट जाता है। \(b\neq0\) होने से \(x^3\) पद बचता है।