यदि \(a_1=6\) और (a_{n+1}=a_n+a_1+n(n+1)) है तो \(a_4\) क्या होगा?

If \(a_1=6\) and (a_{n+1}=a_n+a_1+n(n+1)), what is \(a_4\)?

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

A. (44)

Step 1

Concept

The terms are (6,14,26,44), so \(a_4=44\). Exam tip: \(a_1\) is fixed while (n(n+1)) changes.

Step 2

Why this answer is correct

The correct answer is A. (44). The terms are (6,14,26,44), so \(a_4=44\). Exam tip: \(a_1\) is fixed while (n(n+1)) changes.

Step 3

Exam Tip

पद (6,14,26,44) हैं इसलिए \(a_4=44\) है। \(a_1\) स्थिर है और (n(n+1)) बदलता है।

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Mathematics Answer, Explanation and Revision Hints

यदि \(a_1=6\) और (a_{n+1}=a_n+a_1+n(n+1)) है तो \(a_4\) क्या होगा? / If \(a_1=6\) and (a_{n+1}=a_n+a_1+n(n+1)), what is \(a_4\)?

Correct Answer: A. (44). Explanation: पद (6,14,26,44) हैं इसलिए \(a_4=44\) है। \(a_1\) स्थिर है और (n(n+1)) बदलता है। / The terms are (6,14,26,44), so \(a_4=44\). Exam tip: \(a_1\) is fixed while (n(n+1)) changes.

Which concept should I revise for this Mathematics MCQ?

The terms are (6,14,26,44), so \(a_4=44\). Exam tip: \(a_1\) is fixed while (n(n+1)) changes.

What exam hint can help solve this Mathematics question?

पद (6,14,26,44) हैं इसलिए \(a_4=44\) है। \(a_1\) स्थिर है और (n(n+1)) बदलता है।