यदि \(a_n=4n^2-n\) है तो \(a_4:a_2\) क्या होगा?

If \(a_n=4n^2-n\) then what is \(a_4:a_2\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

B. (30:7)

Step 1

Concept

\(a_4=60\) and \(a_2=14\) so the simplified ratio is (30:7). In exams simplify the ratio.

Step 2

Why this answer is correct

The correct answer is B. (30:7). \(a_4=60\) and \(a_2=14\) so the simplified ratio is (30:7). In exams simplify the ratio.

Step 3

Exam Tip

\(a_4=60\) और \(a_2=14\) इसलिए सरल अनुपात (30:7) है। परीक्षा में अनुपात को सरल करें।

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Mathematics Answer, Explanation and Revision Hints

यदि \(a_n=4n^2-n\) है तो \(a_4:a_2\) क्या होगा? / If \(a_n=4n^2-n\) then what is \(a_4:a_2\)?

Correct Answer: B. (30:7). Explanation: \(a_4=60\) और \(a_2=14\) इसलिए सरल अनुपात (30:7) है। परीक्षा में अनुपात को सरल करें। / \(a_4=60\) and \(a_2=14\) so the simplified ratio is (30:7). In exams simplify the ratio.

Which concept should I revise for this Mathematics MCQ?

\(a_4=60\) and \(a_2=14\) so the simplified ratio is (30:7). In exams simplify the ratio.

What exam hint can help solve this Mathematics question?

\(a_4=60\) और \(a_2=14\) इसलिए सरल अनुपात (30:7) है। परीक्षा में अनुपात को सरल करें।