यदि \(a_1=2\), \(a_2=6\) और \(a_n=a_{n-1}+a_{n-2}+3n\) है तो \(a_4\) क्या होगा?

If \(a_1=2\), \(a_2=6\), and \(a_n=a_{n-1}+a_{n-2}+3n\), what is \(a_4\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

D. (35)

Step 1

Concept

\(a_3=6+2+9=17\) and \(a_4=17+6+12=35\). Exam tip: use the correct current value of (n).

Step 2

Why this answer is correct

The correct answer is D. (35). \(a_3=6+2+9=17\) and \(a_4=17+6+12=35\). Exam tip: use the correct current value of (n).

Step 3

Exam Tip

\(a_3=6+2+9=17\) और \(a_4=17+6+12=35\) है। वर्तमान (n) का सही मान रखें।

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Mathematics Answer, Explanation and Revision Hints

यदि \(a_1=2\), \(a_2=6\) और \(a_n=a_{n-1}+a_{n-2}+3n\) है तो \(a_4\) क्या होगा? / If \(a_1=2\), \(a_2=6\), and \(a_n=a_{n-1}+a_{n-2}+3n\), what is \(a_4\)?

Correct Answer: D. (35). Explanation: \(a_3=6+2+9=17\) और \(a_4=17+6+12=35\) है। वर्तमान (n) का सही मान रखें। / \(a_3=6+2+9=17\) and \(a_4=17+6+12=35\). Exam tip: use the correct current value of (n).

Which concept should I revise for this Mathematics MCQ?

\(a_3=6+2+9=17\) and \(a_4=17+6+12=35\). Exam tip: use the correct current value of (n).

What exam hint can help solve this Mathematics question?

\(a_3=6+2+9=17\) और \(a_4=17+6+12=35\) है। वर्तमान (n) का सही मान रखें।