यदि \(a_1=4\) और (a_{n+1}=a_n+\frac{n(n+3)}{2}) है तो \(a_5\) क्या होगा?

If \(a_1=4\) and (a_{n+1}=a_n+\frac{n(n+3)}{2}), what is \(a_5\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

C. (34)

Step 1

Concept

The added values are (2,5,9,14), so \(a_5=34\). Exam tip: simplify the fractional increment first.

Step 2

Why this answer is correct

The correct answer is C. (34). The added values are (2,5,9,14), so \(a_5=34\). Exam tip: simplify the fractional increment first.

Step 3

Exam Tip

जुड़ने वाले मान (2,5,9,14) हैं इसलिए \(a_5=34\) है। भिन्न वाले जोड़ को पहले सरल करें।

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Mathematics Answer, Explanation and Revision Hints

यदि \(a_1=4\) और (a_{n+1}=a_n+\frac{n(n+3)}{2}) है तो \(a_5\) क्या होगा? / If \(a_1=4\) and (a_{n+1}=a_n+\frac{n(n+3)}{2}), what is \(a_5\)?

Correct Answer: C. (34). Explanation: जुड़ने वाले मान (2,5,9,14) हैं इसलिए \(a_5=34\) है। भिन्न वाले जोड़ को पहले सरल करें। / The added values are (2,5,9,14), so \(a_5=34\). Exam tip: simplify the fractional increment first.

Which concept should I revise for this Mathematics MCQ?

The added values are (2,5,9,14), so \(a_5=34\). Exam tip: simplify the fractional increment first.

What exam hint can help solve this Mathematics question?

जुड़ने वाले मान (2,5,9,14) हैं इसलिए \(a_5=34\) है। भिन्न वाले जोड़ को पहले सरल करें।