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 \(a_5\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

C. (33)

Step 1

Concept

The terms are (5,9,15,23,33), so \(a_5=33\). Exam tip: the value of (2n+2) changes at each step.

Step 2

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.

Step 3

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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Mathematics Answer, Explanation and Revision Hints

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 \(a_5\)?

Correct Answer: C. (33). Explanation: पद (5,9,15,23,33) हैं इसलिए \(a_5=33\) है। (2n+2) का मान हर चरण में बदलता है। / The terms are (5,9,15,23,33), so \(a_5=33\). Exam tip: the value of (2n+2) changes at each step.

Which concept should I revise for this Mathematics MCQ?

The terms are (5,9,15,23,33), so \(a_5=33\). Exam tip: the value of (2n+2) changes at each step.

What exam hint can help solve this Mathematics question?

पद (5,9,15,23,33) हैं इसलिए \(a_5=33\) है। (2n+2) का मान हर चरण में बदलता है।