यदि \(a_1=4\) और \(a_{n+1}=a_n+2^n+n^2\) है तो \(a_4\) क्या होगा?
If \(a_1=4\) and \(a_{n+1}=a_n+2^n+n^2\), what is \(a_4\)?
Explanation opens after your attempt
C. (32)
Concept
The added values are (3,8,17), so \(a_4=32\). Exam tip: calculate the power and square separately.
Why this answer is correct
The correct answer is C. (32). The added values are (3,8,17), so \(a_4=32\). Exam tip: calculate the power and square separately.
Exam Tip
जुड़ने वाले मान (3,8,17) हैं इसलिए \(a_4=32\) है। घात और वर्ग दोनों अलग-अलग निकालें।
Login to save your score, XP, coins and progress.
