यदि \(a_1=5\) और \(a_{n+1}=a_n+n!+n\) है तो \(a_5\) क्या होगा?

If \(a_1=5\) and \(a_{n+1}=a_n+n!+n\), what is \(a_5\)?

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

A. (48)

Step 1

Concept

The added values are (2,4,9,28), so \(a_5=48\). Exam tip: add both the factorial and (n).

Step 2

Why this answer is correct

The correct answer is A. (48). The added values are (2,4,9,28), so \(a_5=48\). Exam tip: add both the factorial and (n).

Step 3

Exam Tip

जुड़ने वाले मान (2,4,9,28) हैं इसलिए \(a_5=48\) है। फैक्टोरियल और (n) दोनों जोड़ें।

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Mathematics Answer, Explanation and Revision Hints

यदि \(a_1=5\) और \(a_{n+1}=a_n+n!+n\) है तो \(a_5\) क्या होगा? / If \(a_1=5\) and \(a_{n+1}=a_n+n!+n\), what is \(a_5\)?

Correct Answer: A. (48). Explanation: जुड़ने वाले मान (2,4,9,28) हैं इसलिए \(a_5=48\) है। फैक्टोरियल और (n) दोनों जोड़ें। / The added values are (2,4,9,28), so \(a_5=48\). Exam tip: add both the factorial and (n).

Which concept should I revise for this Mathematics MCQ?

The added values are (2,4,9,28), so \(a_5=48\). Exam tip: add both the factorial and (n).

What exam hint can help solve this Mathematics question?

जुड़ने वाले मान (2,4,9,28) हैं इसलिए \(a_5=48\) है। फैक्टोरियल और (n) दोनों जोड़ें।