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