यदि \(a_1=2\) और \(a_{n+1}=a_n+4n\) है तो \(a_4\) क्या होगा?

If \(a_1=2\) and \(a_{n+1}=a_n+4n\), what is \(a_4\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

D. (26)

Step 1

Concept

The terms are (2,6,14,26), so \(a_4=26\). Exam tip: (4n) changes at every step.

Step 2

Why this answer is correct

The correct answer is D. (26). The terms are (2,6,14,26), so \(a_4=26\). Exam tip: (4n) changes at every step.

Step 3

Exam Tip

पद (2,6,14,26) हैं इसलिए \(a_4=26\) है। (4n) का मान हर चरण में बदलता है।

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Mathematics Answer, Explanation and Revision Hints

यदि \(a_1=2\) और \(a_{n+1}=a_n+4n\) है तो \(a_4\) क्या होगा? / If \(a_1=2\) and \(a_{n+1}=a_n+4n\), what is \(a_4\)?

Correct Answer: D. (26). Explanation: पद (2,6,14,26) हैं इसलिए \(a_4=26\) है। (4n) का मान हर चरण में बदलता है। / The terms are (2,6,14,26), so \(a_4=26\). Exam tip: (4n) changes at every step.

Which concept should I revise for this Mathematics MCQ?

The terms are (2,6,14,26), so \(a_4=26\). Exam tip: (4n) changes at every step.

What exam hint can help solve this Mathematics question?

पद (2,6,14,26) हैं इसलिए \(a_4=26\) है। (4n) का मान हर चरण में बदलता है।