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Mathematics Laws of Exponents MCQ Questions for Class 9

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Laws of Exponents Practice Questions

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Question 1/3 Easy Mathematics MIX Laws of Exponents Class 9 Level 2

\(x^2\cdot x^3\) का सरल रूप क्या है?

What is the simplified form of \(x^2\cdot x^3\)?

Explanation opens after your attempt
Correct Answer

A. \(x^5\)

Step 1

Concept

When multiplying same bases powers are added. Therefore \(x^2\cdot x^3=x^5\).

Step 2

Why this answer is correct

The correct answer is A. \(x^5\). When multiplying same bases powers are added. Therefore \(x^2\cdot x^3=x^5\).

Step 3

Exam Tip

समान आधार में गुणा करते समय घातें जुड़ती हैं। इसलिए \(x^2\cdot x^3=x^5\)।

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Question 2/3 Easy Mathematics MIX Laws of Exponents Class 9 Level 2

\(\frac{x^6}{x^2}\) का सरल रूप क्या है?

What is the simplified form of \(\frac{x^6}{x^2}\)?

Explanation opens after your attempt
Correct Answer

B. \(x^4\)

Step 1

Concept

When dividing same bases powers are subtracted. Here (6-2=4).

Step 2

Why this answer is correct

The correct answer is B. \(x^4\). When dividing same bases powers are subtracted. Here (6-2=4).

Step 3

Exam Tip

समान आधार में भाग करते समय घातें घटती हैं। यहाँ (6-2=4) है।

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Question 3/3 Easy Mathematics MIX Laws of Exponents Class 9 Level 2

((x)0) का मान क्या है जब \(x\neq0\)?

What is the value of ((x)0) when \(x\neq0\)?

Explanation opens after your attempt
Correct Answer

B. (1)

Step 1

Concept

Any non-zero number or variable raised to zero is (1). This is a direct use of exponent law.

Step 2

Why this answer is correct

The correct answer is B. (1). Any non-zero number or variable raised to zero is (1). This is a direct use of exponent law.

Step 3

Exam Tip

किसी भी अशून्य संख्या या चर की शून्य घात (1) होती है। यह घात नियम का सीधा प्रयोग है।

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