Hard Mathematics Chapter 1: Real Numbers Class 10 Level 9

यदि \(x=2^8\times5^3\times7^2\times13\) और \(y=2^5\times3^2\times5^4\times13^3\), तो (xy) में 13 की घात क्या होगी?

If \(x=2^8\times5^3\times7^2\times13\) and \(y=2^5\times3^2\times5^4\times13^3\), what will be the power of 13 in (xy)?

Explanation opens after your attempt
Correct Answer

A. 4

Step 1

Concept

Powers with the same base 13 are added in multiplication.

Step 2

Why this answer is correct

The power of 13 in (x) is 1 and in (y) is 3.

Step 3

Exam Tip

The total power will be (1+3=4). चरण 1: समान आधार 13 की घातें गुणा में जुड़ेंगी। चरण 2: (x) में 13 की घात 1 है और (y) में 13 की घात 3 है। चरण 3: कुल घात (1+3=4) होगी।

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The correct answer is A. 4.

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