यदि \(a_1=5\) और \(a_{n+1}=a_n+n!+2^n\) है तो \(a_5\) क्या होगा?

If \(a_1=5\) and \(a_{n+1}=a_n+n!+2^n\), what is \(a_5\)?

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

B. (68)

Step 1

Concept

The added values are (3,6,14,40), so \(a_5=68\). Exam tip: calculate both the factorial and the power.

Step 2

Why this answer is correct

The correct answer is B. (68). The added values are (3,6,14,40), so \(a_5=68\). Exam tip: calculate both the factorial and the power.

Step 3

Exam Tip

जुड़ने वाले मान (3,6,14,40) हैं इसलिए \(a_5=68\) है। फैक्टोरियल और घात दोनों निकालें।

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Mathematics Answer, Explanation and Revision Hints

यदि \(a_1=5\) और \(a_{n+1}=a_n+n!+2^n\) है तो \(a_5\) क्या होगा? / If \(a_1=5\) and \(a_{n+1}=a_n+n!+2^n\), what is \(a_5\)?

Correct Answer: B. (68). Explanation: जुड़ने वाले मान (3,6,14,40) हैं इसलिए \(a_5=68\) है। फैक्टोरियल और घात दोनों निकालें। / The added values are (3,6,14,40), so \(a_5=68\). Exam tip: calculate both the factorial and the power.

Which concept should I revise for this Mathematics MCQ?

The added values are (3,6,14,40), so \(a_5=68\). Exam tip: calculate both the factorial and the power.

What exam hint can help solve this Mathematics question?

जुड़ने वाले मान (3,6,14,40) हैं इसलिए \(a_5=68\) है। फैक्टोरियल और घात दोनों निकालें।