कौन-सा विकल्प \(L=\{1,8,27,64,125\}\) को सही ढंग से दर्शाता है?

Which option correctly represents \(L=\{1,8,27,64,125\}\)?

Explanation opens after your attempt
Correct Answer

A. \(L={x:x=n^3,,n\in \mathbb{N},,1\leq n\leq 5}\)

Step 1

Concept

(1,8,27,64,125) are \(1^3,2^3,3^3,4^3,5^3\).

Step 2

Why this answer is correct

Therefore the rule is \(x=n^3\).

Step 3

Exam Tip

To get exactly five elements, the bound \(1\leq n\leq 5\) is needed. चरण 1: (1,8,27,64,125) क्रमशः \(1^3,2^3,3^3,4^3,5^3\) हैं। चरण 2: इसलिए नियम \(x=n^3\) होगा। चरण 3: ठीक पाँच अवयव पाने के लिए \(1\leq n\leq 5\) सीमा लगानी होगी।

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Mathematics Answer, Explanation and Revision Hints

कौन-सा विकल्प \(L=\{1,8,27,64,125\}\) को सही ढंग से दर्शाता है? / Which option correctly represents \(L=\{1,8,27,64,125\}\)?

Correct Answer: A. \(L={x:x=n^3,,n\in \mathbb{N},,1\leq n\leq 5}\). Explanation: चरण 1: (1,8,27,64,125) क्रमशः \(1^3,2^3,3^3,4^3,5^3\) हैं। चरण 2: इसलिए नियम \(x=n^3\) होगा। चरण 3: ठीक पाँच अवयव पाने के लिए \(1\leq n\leq 5\) सीमा लगानी होगी। / Step 1: (1,8,27,64,125) are \(1^3,2^3,3^3,4^3,5^3\). Step 2: Therefore the rule is \(x=n^3\). Step 3: To get exactly five elements, the bound \(1\leq n\leq 5\) is needed.

Which concept should I revise for this Mathematics MCQ?

(1,8,27,64,125) are \(1^3,2^3,3^3,4^3,5^3\).

What exam hint can help solve this Mathematics question?

To get exactly five elements, the bound \(1\leq n\leq 5\) is needed. चरण 1: (1,8,27,64,125) क्रमशः \(1^3,2^3,3^3,4^3,5^3\) हैं। चरण 2: इसलिए नियम \(x=n^3\) होगा। चरण 3: ठीक पाँच अवयव पाने के लिए \(1\leq n\leq 5\) सीमा लगानी होगी।