यदि \(a_1=3\) और (a_{n+1}=a_n+n(n+3)) है तो \(a_3\) क्या होगा?

If \(a_1=3\) and (a_{n+1}=a_n+n(n+3)), what is \(a_3\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

B. (17)

Step 1

Concept

The terms are (3,7,17), so \(a_3=17\). Exam tip: calculate the product before adding.

Step 2

Why this answer is correct

The correct answer is B. (17). The terms are (3,7,17), so \(a_3=17\). Exam tip: calculate the product before adding.

Step 3

Exam Tip

पद (3,7,17) हैं इसलिए \(a_3=17\) है। गुणनफल निकालकर जोड़ें।

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FAQs

Mathematics Answer, Explanation and Revision Hints

यदि \(a_1=3\) और (a_{n+1}=a_n+n(n+3)) है तो \(a_3\) क्या होगा? / If \(a_1=3\) and (a_{n+1}=a_n+n(n+3)), what is \(a_3\)?

Correct Answer: B. (17). Explanation: पद (3,7,17) हैं इसलिए \(a_3=17\) है। गुणनफल निकालकर जोड़ें। / The terms are (3,7,17), so \(a_3=17\). Exam tip: calculate the product before adding.

Which concept should I revise for this Mathematics MCQ?

The terms are (3,7,17), so \(a_3=17\). Exam tip: calculate the product before adding.

What exam hint can help solve this Mathematics question?

पद (3,7,17) हैं इसलिए \(a_3=17\) है। गुणनफल निकालकर जोड़ें।