कौन-सा व्यंजक (x) में बहुपद है और उसकी सभी अशून्य चर-घातें सम हैं?

Which expression is a polynomial in (x) and has all non-zero variable powers even?

Explanation opens after your attempt
Correct Answer

A. \(x^6-3x^4+2x^2-5\)

Step 1

Concept

It has powers (6), (4), (2), and (0). All powers are valid and the non-zero variable powers are even.

Step 2

Why this answer is correct

The correct answer is A. \(x^6-3x^4+2x^2-5\). It has powers (6), (4), (2), and (0). All powers are valid and the non-zero variable powers are even.

Step 3

Exam Tip

इसमें घातें (6), (4), (2) और (0) हैं। सभी घातें मान्य हैं और अशून्य चर-घातें सम हैं।

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Mathematics Answer, Explanation and Revision Hints

कौन-सा व्यंजक (x) में बहुपद है और उसकी सभी अशून्य चर-घातें सम हैं? / Which expression is a polynomial in (x) and has all non-zero variable powers even?

Correct Answer: A. \(x^6-3x^4+2x^2-5\). Explanation: इसमें घातें (6), (4), (2) और (0) हैं। सभी घातें मान्य हैं और अशून्य चर-घातें सम हैं। / It has powers (6), (4), (2), and (0). All powers are valid and the non-zero variable powers are even.

Which concept should I revise for this Mathematics MCQ?

It has powers (6), (4), (2), and (0). All powers are valid and the non-zero variable powers are even.

What exam hint can help solve this Mathematics question?

इसमें घातें (6), (4), (2) और (0) हैं। सभी घातें मान्य हैं और अशून्य चर-घातें सम हैं।