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domain_note MCQ Questions for Class 9

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4 questions tagged with domain_note.

Question 1/4 Hard Mathematics Introduction to Polynomials Definition of polynomial Class 9 Level 28

\(\frac{x^5+3x^2}{x^2}\) को \(x\neq0\) पर सरल करने से क्या मिलेगा?

What is obtained by simplifying \(\frac{x^5+3x^2}{x^2}\) for \(x\neq0\)?

Explanation opens after your attempt
Correct Answer

A. \(x^3+3\)

Step 1

Concept

For \(x\neq0\), \(\frac{x^5}{x^2}=x^3\) and \(\frac{3x^2}{x^2}=3\). So the simplified form is \(x^3+3\).

Step 2

Why this answer is correct

The correct answer is A. \(x^3+3\). For \(x\neq0\), \(\frac{x^5}{x^2}=x^3\) and \(\frac{3x^2}{x^2}=3\). So the simplified form is \(x^3+3\).

Step 3

Exam Tip

\(x\neq0\) पर \(\frac{x^5}{x^2}=x^3\) और \(\frac{3x^2}{x^2}=3\) होता है। इसलिए सरल रूप \(x^3+3\) है।

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Question 2/4 Hard Mathematics Introduction to Polynomials Definition of polynomial Class 9 Level 27

\(\frac{x^4+2x}{x}\) को \(x\neq0\) पर सरल करने से क्या मिलेगा?

What is obtained by simplifying \(\frac{x^4+2x}{x}\) for \(x\neq0\)?

Explanation opens after your attempt
Correct Answer

A. \(x^3+2\)

Step 1

Concept

For \(x\neq0\), \(\frac{x^4}{x}=x^3\) and \(\frac{2x}{x}=2\). So the simplified form is \(x^3+2\).

Step 2

Why this answer is correct

The correct answer is A. \(x^3+2\). For \(x\neq0\), \(\frac{x^4}{x}=x^3\) and \(\frac{2x}{x}=2\). So the simplified form is \(x^3+2\).

Step 3

Exam Tip

\(x\neq0\) पर \(\frac{x^4}{x}=x^3\) और \(\frac{2x}{x}=2\) होता है। इसलिए सरल रूप \(x^3+2\) है।

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Question 3/4 Hard Mathematics Introduction to Polynomials Definition of polynomial Class 9 Level 26

व्यंजक \(x^3+\frac{2x^2}{x}\) को \(x\neq0\) पर सरल करने से कौन सा रूप मिलता है?

Which form is obtained by simplifying \(x^3+\frac{2x^2}{x}\) for \(x\neq0\)?

Explanation opens after your attempt
Correct Answer

A. \(x^3+2x\)

Step 1

Concept

For \(x\neq0\), \(\frac{2x^2}{x}=2x\). Therefore the simplified form is \(x^3+2x\).

Step 2

Why this answer is correct

The correct answer is A. \(x^3+2x\). For \(x\neq0\), \(\frac{2x^2}{x}=2x\). Therefore the simplified form is \(x^3+2x\).

Step 3

Exam Tip

\(x\neq0\) पर \(\frac{2x^2}{x}=2x\) होता है। इसलिए सरल रूप \(x^3+2x\) है।

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Question 4/4 Hard Mathematics Introduction to Polynomials Definition of polynomial Class 9 Level 26

व्यंजक \(x^2+\frac{x}{x}\) को \(x\neq0\) पर सरल करने से क्या मिलता है?

What is obtained by simplifying \(x^2+\frac{x}{x}\) for \(x\neq0\)?

Explanation opens after your attempt
Correct Answer

B. \(x^2+1\)

Step 1

Concept

For \(x\neq0\), \(\frac{x}{x}=1\). Therefore the simplified form is \(x^2+1\).

Step 2

Why this answer is correct

The correct answer is B. \(x^2+1\). For \(x\neq0\), \(\frac{x}{x}=1\). Therefore the simplified form is \(x^2+1\).

Step 3

Exam Tip

\(x\neq0\) पर \(\frac{x}{x}=1\) होता है। इसलिए सरल रूप \(x^2+1\) है।

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