यदि \(a_1=5\) और \(a_{n+1}=a_n+3a_1+n^2\) है तो \(a_3\) क्या होगा?

If \(a_1=5\) and \(a_{n+1}=a_n+3a_1+n^2\), what is \(a_3\)?

Author: Muft Shiksha Editorial Team Published: Updated:
Explanation opens after your attempt
Correct Answer

B. (40)

Step 1

Concept

\(a_2=21\) and \(a_3=40\). Exam tip: \(a_1\) stays fixed while \(n^2\) changes.

Step 2

Why this answer is correct

The correct answer is B. (40). \(a_2=21\) and \(a_3=40\). Exam tip: \(a_1\) stays fixed while \(n^2\) changes.

Step 3

Exam Tip

\(a_2=21\) और \(a_3=40\) है। \(a_1\) स्थिर रहता है जबकि \(n^2\) बदलता है।

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FAQs

Mathematics Answer, Explanation and Revision Hints

यदि \(a_1=5\) और \(a_{n+1}=a_n+3a_1+n^2\) है तो \(a_3\) क्या होगा? / If \(a_1=5\) and \(a_{n+1}=a_n+3a_1+n^2\), what is \(a_3\)?

Correct Answer: B. (40). Explanation: \(a_2=21\) और \(a_3=40\) है। \(a_1\) स्थिर रहता है जबकि \(n^2\) बदलता है। / \(a_2=21\) and \(a_3=40\). Exam tip: \(a_1\) stays fixed while \(n^2\) changes.

Which concept should I revise for this Mathematics MCQ?

\(a_2=21\) and \(a_3=40\). Exam tip: \(a_1\) stays fixed while \(n^2\) changes.

What exam hint can help solve this Mathematics question?

\(a_2=21\) और \(a_3=40\) है। \(a_1\) स्थिर रहता है जबकि \(n^2\) बदलता है।