यदि \(p_1=2\) और \(p_n=p_{n-1}+n^2+n+1\) है, तो \(p_5\) का मान क्या होगा?

If \(p_1=2\) and \(p_n=p_{n-1}+n^2+n+1\), what is the value of \(p_5\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

B. चौहत्तर(74)

Step 1

Concept

\(p_5=2+7+13+21+31=74\). In exams, simplify \(n^2+n+1\) first and then add.

Step 2

Why this answer is correct

The correct answer is B. चौहत्तर / (74). \(p_5=2+7+13+21+31=74\). In exams, simplify \(n^2+n+1\) first and then add.

Step 3

Exam Tip

\(p_5=2+7+13+21+31=74\) है। परीक्षा में \(n^2+n+1\) को पहले सरल करके जोड़ें।

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Mathematics Answer, Explanation and Revision Hints

यदि \(p_1=2\) और \(p_n=p_{n-1}+n^2+n+1\) है, तो \(p_5\) का मान क्या होगा? / If \(p_1=2\) and \(p_n=p_{n-1}+n^2+n+1\), what is the value of \(p_5\)?

Correct Answer: B. चौहत्तर / (74). Explanation: \(p_5=2+7+13+21+31=74\) है। परीक्षा में \(n^2+n+1\) को पहले सरल करके जोड़ें। / \(p_5=2+7+13+21+31=74\). In exams, simplify \(n^2+n+1\) first and then add.

Which concept should I revise for this Mathematics MCQ?

\(p_5=2+7+13+21+31=74\). In exams, simplify \(n^2+n+1\) first and then add.

What exam hint can help solve this Mathematics question?

\(p_5=2+7+13+21+31=74\) है। परीक्षा में \(n^2+n+1\) को पहले सरल करके जोड़ें।