यदि \(a_1=5\) और \(a_{n+1}=a_n+2n+2\) है तो \(a_5\) क्या होगा?
If \(a_1=5\) and \(a_{n+1}=a_n+2n+2\), what is \(a_5\)?
Explanation opens after your attempt
C. (33)
Concept
The terms are (5,9,15,23,33), so \(a_5=33\). Exam tip: the value of (2n+2) changes at each step.
Why this answer is correct
The correct answer is C. (33). The terms are (5,9,15,23,33), so \(a_5=33\). Exam tip: the value of (2n+2) changes at each step.
Exam Tip
पद (5,9,15,23,33) हैं इसलिए \(a_5=33\) है। (2n+2) का मान हर चरण में बदलता है।
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